diff --git a/.env b/.env
new file mode 100644
index 0000000..0f963af
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+DATABASE_URL=sqlite://testdb.db
diff --git a/.rustfmt.toml b/.rustfmt.toml
new file mode 100644
index 0000000..3a26366
--- /dev/null
+++ b/.rustfmt.toml
@@ -0,0 +1 @@
+edition = "2021"
diff --git a/Cargo.lock b/Cargo.lock
index 975bbba..571f7ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,43 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ahash"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c3a9648d43b9cd48db467b3f87fdd6e146bcc88ab0180006cef2179fe11d01"
+dependencies = [
+ "cfg-if",
+ "getrandom",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
+[[package]]
+name = "allocator-api2"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
+
 [[package]]
 name = "anyhow"
 version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "080e9890a082662b09c1ad45f567faeeb47f22b5fb23895fbe1e651e718e25ca"
 
+[[package]]
+name = "arrayref"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b4930d2cb77ce62f89ee5d5289b4ac049559b1c45539271f5ed4fdc7db34545"
+
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
 [[package]]
 name = "async-trait"
 version = "0.1.77"
@@ -34,6 +65,25 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "atoi"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "atomic-write-file"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edcdbedc2236483ab103a53415653d6b4442ea6141baf1ffa85df29635e88436"
+dependencies = [
+ "nix",
+ "rand",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -55,12 +105,55 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "blake3"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0231f06152bf547e9c2b5194f247cd97aacf6dcd8b15d8e5ec0663f64580da87"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "cc",
+ "cfg-if",
+ "constant_time_eq",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bstr"
 version = "1.9.0"
@@ -84,13 +177,19 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "bytes"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
+
 [[package]]
 name = "cairo-rs"
 version = "0.17.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab3603c4028a5e368d09b51c8b624b9a46edcd7c3778284077a6125af73c9f0a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cairo-sys-rs",
  "glib",
  "libc",
@@ -134,6 +233,42 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
+[[package]]
+name = "constant_time_eq"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7144d30dcf0fafbce74250a3963025d8d52177934239851c917d29f1df280c2"
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53fe5e26ff1b7aef8bca9c6080520cfb8d9333c7568e1829cef191a9723e5504"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crc"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86ec7a15cbe22e59248fc7eadb1907dab5ba09372595da4d73dd805ed4417dfe"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -143,12 +278,108 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df0346b5d5e76ac2fe4e327c5fd1118d6be7c51dfb18f9b7922923f287471e35"
+dependencies = [
+ "crossbeam-utils",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "const-oid",
+ "crypto-common",
+ "subtle",
+]
+
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "etcetera"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
+dependencies = [
+ "cfg-if",
+ "home",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
+[[package]]
+name = "fastrand"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25cbce373ec4653f1a01a31e8a5e5ec0c622dc27ff9c4e6606eefef5cbbed4a5"
+
 [[package]]
 name = "field-offset"
 version = "0.3.6"
@@ -159,6 +390,12 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "finl_unicode"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
+
 [[package]]
 name = "flate2"
 version = "1.0.28"
@@ -179,7 +416,27 @@ dependencies = [
  "futures-sink",
  "nanorand",
  "pin-project",
- "spin",
+ "spin 0.9.8",
+]
+
+[[package]]
+name = "flume"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55ac459de2512911e4b674ce33cf20befaba382d05b62b008afc1c8b57cbf181"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "spin 0.9.8",
+]
+
+[[package]]
+name = "form_urlencoded"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
+dependencies = [
+ "percent-encoding",
 ]
 
 [[package]]
@@ -230,6 +487,17 @@ dependencies = [
  "futures-util",
 ]
 
+[[package]]
+name = "futures-intrusive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d930c203dd0b6ff06e0201a4a2fe9149b43c684fd4420555b26d21b1a02956f"
+dependencies = [
+ "futures-core",
+ "lock_api",
+ "parking_lot",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.30"
@@ -283,7 +551,7 @@ version = "0.17.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "695d6bc846438c5708b07007537b9274d883373dd30858ca881d7d71b5540717"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "gdk-pixbuf-sys",
  "gio",
  "glib",
@@ -310,7 +578,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3abf96408a26e3eddf881a7f893a1e111767137136e347745e8ea6ed12731ff"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cairo-rs",
  "gdk-pixbuf",
  "gdk4-sys",
@@ -337,6 +605,16 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.12"
@@ -362,7 +640,7 @@ version = "0.17.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6973e92937cf98689b6a054a9e56c657ed4ff76de925e36fc331a15f0c5d30a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -395,7 +673,7 @@ version = "0.17.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3fad45ba8d4d2cea612b432717e834f48031cd8853c8aaf43b2c79fec8d144b"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "futures-channel",
  "futures-core",
  "futures-executor",
@@ -477,7 +755,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f01ef44fa7cac15e2da9978529383e6bee03e570ba5bf7036b4c10a15cc3a3c"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cairo-rs",
  "gdk4",
  "glib",
@@ -509,7 +787,7 @@ version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b28a32a04cd75cef14a0983f8b0c669e0fe152a0a7725accdeb594e2c764c88b"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cairo-rs",
  "field-offset",
  "futures-channel",
@@ -582,12 +860,28 @@ name = "hashbrown"
 version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7"
+dependencies = [
+ "hashbrown",
+]
 
 [[package]]
 name = "heck"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+dependencies = [
+ "unicode-segmentation",
+]
 
 [[package]]
 name = "hermit-abi"
@@ -595,6 +889,49 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "hkdf"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5f8eb2ad728638ea2c7d47a21db23b7b58a72ed6a38256b8a1849f15fbbdf7"
+dependencies = [
+ "hmac",
+]
+
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "idna"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.1.0"
@@ -605,6 +942,15 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.10"
@@ -625,6 +971,9 @@ name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+dependencies = [
+ "spin 0.5.2",
+]
 
 [[package]]
 name = "libc"
@@ -632,6 +981,29 @@ version = "0.2.152"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
 
+[[package]]
+name = "libm"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4e226dcd58b4be396f7bd3c20da8fdee2911400705297ba7d2d7cc2c30f716"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c"
+
 [[package]]
 name = "lock_api"
 version = "0.4.11"
@@ -648,6 +1020,16 @@ version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.1"
@@ -672,6 +1054,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
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+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -681,6 +1069,17 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
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+version = "0.8.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "nanorand"
 version = "0.7.0"
@@ -690,13 +1089,82 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
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+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
+dependencies = [
+ "bitflags 2.4.2",
+ "cfg-if",
+ "libc",
+]
+
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+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
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 checksum = "ec60c60a693226186f5d6edf073232bfb6464ed97eb22cf3b01c1e8198fd97f5"
 dependencies = [
- "windows-sys",
+ "windows-sys 0.48.0",
+]
+
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+dependencies = [
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand",
+ "smallvec",
+ "zeroize",
+]
+
+[[package]]
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+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
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+checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
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+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
+dependencies = [
+ "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -741,7 +1209,7 @@ version = "0.17.10"
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 checksum = "35be456fc620e61f62dff7ff70fbd54dcbaf0a4b920c0f16de1107c47d921d48"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "gio",
  "glib",
  "libc",
@@ -761,6 +1229,50 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
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+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+
+[[package]]
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+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
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+
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+
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@@ -793,12 +1305,39 @@ version = "0.1.0"
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 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
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+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der",
+ "pkcs8",
+ "spki",
+]
+
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+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
 [[package]]
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 checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a"
 
+[[package]]
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+
 [[package]]
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 version = "1.3.1"
@@ -861,6 +1400,45 @@ dependencies = [
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+[[package]]
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+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
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+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
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+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
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+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
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@@ -874,7 +1452,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
  "async-trait",
- "flume",
+ "flume 0.10.14",
  "fragile",
  "futures",
  "gtk4",
@@ -916,6 +1494,26 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
+dependencies = [
+ "const-oid",
+ "digest",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8",
+ "rand_core",
+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -931,6 +1529,19 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.38.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea3e1a662af26cd7a3ba09c0297a31af215563ecf42817c98df621387f4e949"
+dependencies = [
+ "bitflags 2.4.2",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
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 version = "1.0.16"
@@ -1004,17 +1615,62 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sheet-organizer"
 version = "0.1.0"
 dependencies = [
+ "blake3",
+ "dotenvy",
  "opener",
  "relm4",
  "relm4-components",
  "relm4-icons",
+ "sqlx",
+ "tokio",
  "walkdir",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8229b473baa5980ac72ef434c4415e70c4b5e71b423043adb4ba059f89c99a1"
+dependencies = [
+ "libc",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1030,6 +1686,22 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2593d31f82ead8df961d8bd23a64c2ccf2eb5dd34b0a34bfb4dd54011c72009e"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
+dependencies = [
+ "libc",
+ "windows-sys 0.48.0",
+]
+
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+
 [[package]]
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 version = "0.9.8"
@@ -1039,12 +1711,246 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
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+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
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+dependencies = [
+ "itertools",
+ "nom",
+ "unicode_categories",
+]
+
+[[package]]
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+checksum = "dba03c279da73694ef99763320dea58b51095dfe87d001b1d4b5fe78ba8763cf"
+dependencies = [
+ "sqlx-core",
+ "sqlx-macros",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d84b0a3c3739e220d94b3239fd69fb1f74bc36e16643423bd99de3b43c21bfbd"
+dependencies = [
+ "ahash",
+ "atoi",
+ "byteorder",
+ "bytes",
+ "crc",
+ "crossbeam-queue",
+ "dotenvy",
+ "either",
+ "event-listener",
+ "futures-channel",
+ "futures-core",
+ "futures-intrusive",
+ "futures-io",
+ "futures-util",
+ "hashlink",
+ "hex",
+ "indexmap",
+ "log",
+ "memchr",
+ "once_cell",
+ "paste",
+ "percent-encoding",
+ "serde",
+ "serde_json",
+ "sha2",
+ "smallvec",
+ "sqlformat",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+ "url",
+]
+
+[[package]]
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "sqlx-core",
+ "sqlx-macros-core",
+ "syn 1.0.109",
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+
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+ "dotenvy",
+ "either",
+ "heck",
+ "hex",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "sha2",
+ "sqlx-core",
+ "sqlx-mysql",
+ "sqlx-sqlite",
+ "syn 1.0.109",
+ "tempfile",
+ "tokio",
+ "url",
+]
+
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+ "byteorder",
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+ "crc",
+ "digest",
+ "dotenvy",
+ "either",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "generic-array",
+ "hex",
+ "hkdf",
+ "hmac",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "percent-encoding",
+ "rand",
+ "rsa",
+ "serde",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror",
+ "tracing",
+ "whoami",
+]
+
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+ "bitflags 2.4.2",
+ "byteorder",
+ "crc",
+ "dotenvy",
+ "etcetera",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "hex",
+ "hkdf",
+ "hmac",
+ "home",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "rand",
+ "serde",
+ "serde_json",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror",
+ "tracing",
+ "whoami",
+]
+
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+dependencies = [
+ "atoi",
+ "flume 0.11.0",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-intrusive",
+ "futures-util",
+ "libsqlite3-sys",
+ "log",
+ "percent-encoding",
+ "serde",
+ "sqlx-core",
+ "tracing",
+ "url",
+ "urlencoding",
+]
+
 [[package]]
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb41d74e231a107a1b4ee36bd1214b11285b77768d2e3824aedafa988fd36ee6"
+dependencies = [
+ "finl_unicode",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
 [[package]]
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 version = "1.0.109"
@@ -1086,6 +1992,19 @@ version = "0.12.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69758bda2e78f098e4ccb393021a0963bb3442eac05f135c30f61b7370bbafae"
 
+[[package]]
+name = "tempfile"
+version = "3.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01ce4141aa927a6d1bd34a041795abd0db1cccba5d5f24b009f694bdf3a1f3fa"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "redox_syscall",
+ "rustix",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.56"
@@ -1106,6 +2025,21 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
 [[package]]
 name = "tokio"
 version = "1.35.1"
@@ -1113,8 +2047,38 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c89b4efa943be685f629b149f53829423f8f5531ea21249408e8e2f8671ec104"
 dependencies = [
  "backtrace",
+ "bytes",
+ "libc",
+ "mio",
  "num_cpus",
+ "parking_lot",
  "pin-project-lite",
+ "signal-hook-registry",
+ "socket2",
+ "tokio-macros",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
 ]
 
 [[package]]
@@ -1168,6 +2132,7 @@ version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -1213,12 +2178,68 @@ dependencies = [
  "syn 2.0.48",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
+[[package]]
+name = "unicode-bidi"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "unicode-normalization"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
+dependencies = [
+ "tinyvec",
+]
+
+[[package]]
+name = "unicode-segmentation"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
+
+[[package]]
+name = "unicode_categories"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
+
+[[package]]
+name = "url"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+]
+
+[[package]]
+name = "urlencoding"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version-compare"
 version = "0.1.1"
@@ -1301,6 +2322,12 @@ version = "0.2.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d91413b1c31d7539ba5ef2451af3f0b833a005eb27a631cec32bc0635a8602b"
 
+[[package]]
+name = "whoami"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22fc3756b8a9133049b26c7f61ab35416c130e8c09b660f5b3958b446f52cc50"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1338,7 +2365,16 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
@@ -1347,13 +2383,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
 ]
 
 [[package]]
@@ -1362,42 +2413,84 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
 [[package]]
 name = "winnow"
 version = "0.5.34"
@@ -1407,6 +2500,32 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
+
 [[package]]
 name = "zvariant"
 version = "3.15.0"
diff --git a/Cargo.toml b/Cargo.toml
index 7bca355..09ce102 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,3 +16,11 @@ relm4-icons = { version = "0.6.0", features = ["plus"] }
 
 walkdir = "2" # For traversing directories recursively
 opener = "0.6.1" # For opening files with the systems default application
+
+sqlx = { version = "0.7", features = [ "runtime-tokio", "sqlite", "migrate", "macros" ] }
+tokio = { version = "1", features = ["full"] }
+blake3 = "1.5.0"
+dotenvy = "0.15.7"
+
+[profile.dev.package.sqlx-macros]
+opt-level = 3
diff --git a/src/database.rs b/src/database.rs
new file mode 100644
index 0000000..af546ca
--- /dev/null
+++ b/src/database.rs
@@ -0,0 +1,119 @@
+use std::{fs, path::PathBuf};
+
+use sqlx::{migrate::MigrateDatabase, Connection, Sqlite, SqliteConnection, SqlitePool};
+
+#[derive(sqlx::FromRow, Debug)]
+pub struct Sheet {
+    name: String,
+    // #[sqlx(from = "String")]
+    path: String,
+    // #[sqlx(from = "i64")]
+    file_size: i32,
+    file_hash: String,
+}
+
+#[derive(sqlx::FromRow)]
+pub struct Composer {
+    name: String,
+    id: u32,
+}
+
+impl Sheet {
+    pub fn new_debug() -> Self {
+        Sheet {
+            name: "Hello world".to_string(),
+            path: "This/is/my/path".into(),
+            file_size: 42,
+            file_hash: "h4sh".to_string(),
+        }
+    }
+
+    pub fn verify_path(&self) -> std::io::Result<bool> {
+        // First compare file size since it is faster than hashing
+        // let file_size = fs::metadata(&self.path)?.len();
+        // if file_size == self.file_size {
+        //     let file_content = fs::read(&self.path)?;
+        //     let file_hash = blake3::hash(&file_content);
+        //     if file_hash.to_string() == self.file_hash {
+        //         return Ok(true);
+        //     }
+        // }
+
+        Ok(false)
+    }
+}
+
+pub struct Database {
+    connection: Option<SqlitePool>,
+}
+
+impl Database {
+    pub fn new() -> Self {
+        Database { connection: None }
+    }
+
+    pub async fn init_connection(&mut self, database_path: &str) -> sqlx::Result<()> {
+        if !Sqlite::database_exists(database_path)
+            .await
+            .unwrap_or(false)
+        {
+            match Sqlite::create_database(database_path).await {
+                Ok(_) => println!("Database created"),
+                Err(e) => println!("Error creating database: {}", e),
+            }
+        } else {
+            println!("Database already exists");
+        }
+
+        let connection = SqlitePool::connect(database_path).await?;
+        self.connection = Some(connection);
+        Ok(())
+    }
+
+    pub async fn setup_db(&mut self) -> sqlx::Result<()> {
+        // TODO: put this in migrations
+        if let Some(connection) = &self.connection {
+            sqlx::query!("
+                CREATE TABLE IF NOT EXISTS sheets (name TEXT, path TEXT, file_size INTEGER, file_hash TEXT);
+                CREATE TABLE IF NOT EXISTS composers (name TEXT, id INTEGER);
+            ").execute(connection).await?;
+        }
+        Ok(())
+    }
+
+    pub async fn insert_sheet(&mut self, sheet: Sheet) -> sqlx::Result<()> {
+        if let Some(connection) = &self.connection {
+            // let path = sheet.path.to_str().unwrap().to_string();
+            // let size = sheet.file_size as i64;
+
+            let result = sqlx::query!(
+                "
+                   INSERT INTO sheets (name, path, file_size, file_hash)
+                   VALUES ($1, $2, $3, $4)
+               ",
+                sheet.name,
+                sheet.path,
+                sheet.file_size,
+                sheet.file_hash,
+            )
+            .execute(connection)
+            .await;
+            result.unwrap();
+            println!("Inserted!!!");
+        }
+        Ok(())
+    }
+
+    pub async fn fetch_all_sheets(&mut self) -> sqlx::Result<Vec<Sheet>> {
+        if let Some(connection) = &self.connection {
+            // return sqlx::query_as!(Sheet, "SELECT * FROM sheets")
+            //     .fetch_all(connection)
+            //     .await;
+            return sqlx::query_as::<_, Sheet>("SELECT * FROM sheets")
+                .fetch_all(connection)
+                .await;
+            // return sqlx::query_as("SELECT * FROM sheets").fetch_all(connection).await;
+        }
+        Ok(Vec::new())
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index a8f1b1c..d22d3b8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,17 @@
+mod database;
 mod mcdu;
 mod sheet_listing;
 
 use std::{env, path::PathBuf, process};
 
+use database::Database;
 use gtk::prelude::*;
 use mcdu::McduModel;
 use relm4::prelude::*;
 use sheet_listing::{SheetListingInput, SheetListingModel};
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
+
+use crate::database::Sheet;
 
 struct AppModel {
     mcdu: Controller<McduModel>,
@@ -89,7 +94,18 @@ impl SimpleComponent for AppModel {
     }
 }
 
-fn main() {
+#[tokio::main]
+async fn main() {
+    dotenvy::dotenv().unwrap();
+
+    let mut database = Database::new();
+    database.init_connection("./testdb.db").await.unwrap();
+    database.setup_db().await.unwrap();
+
+    database.insert_sheet(Sheet::new_debug()).await.unwrap();
+    let sheets = database.fetch_all_sheets().await.unwrap();
+    println!("Sheets: {:?}", sheets);
+
     let app = RelmApp::new("de.frajul.sheet-organizer");
 
     let args: Vec<String> = env::args().collect();