Move code to src folder

This commit is contained in:
2026-01-23 20:29:47 +01:00
parent 9481a1bc06
commit 18188ac353
10 changed files with 10 additions and 2 deletions

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package database
import (
"log"
"sheetless-server/models"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
var DB *gorm.DB
func InitDatabase() {
var err error
DB, err = gorm.Open(sqlite.Open("sheetless.db"), &gorm.Config{})
if err != nil {
log.Fatal("Failed to connect to database:", err)
}
// Auto migrate the schema
err = DB.AutoMigrate(&models.User{}, &models.MusicSheet{})
if err != nil {
log.Fatal("Failed to migrate database:", err)
}
log.Println("Database connected and migrated successfully")
}

40
src/go.mod Normal file
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module sheetless-server
go 1.21
require (
github.com/gin-gonic/gin v1.9.1
github.com/golang-jwt/jwt/v5 v5.0.0
golang.org/x/crypto v0.9.0
gorm.io/driver/sqlite v1.5.4
gorm.io/gorm v1.25.5
)
require (
github.com/bytedance/sonic v1.9.1 // indirect
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
github.com/gabriel-vasile/mimetype v1.4.2 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.14.0 // indirect
github.com/goccy/go-json v0.10.2 // indirect
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/cpuid/v2 v2.2.4 // indirect
github.com/leodido/go-urn v1.2.4 // indirect
github.com/mattn/go-isatty v0.0.19 // indirect
github.com/mattn/go-sqlite3 v1.14.17 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/pelletier/go-toml/v2 v2.0.8 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.2.11 // indirect
golang.org/x/arch v0.3.0 // indirect
golang.org/x/net v0.10.0 // indirect
golang.org/x/sys v0.8.0 // indirect
golang.org/x/text v0.9.0 // indirect
google.golang.org/protobuf v1.30.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

98
src/go.sum Normal file
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github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/golang-jwt/jwt/v5 v5.0.0 h1:1n1XNM9hk7O9mnQoNBGolZvzebBQ7p93ULHRc28XJUE=
github.com/golang-jwt/jwt/v5 v5.0.0/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-sqlite3 v1.14.17 h1:mCRHCLDUBXgpKAqIKsaAaAsrAlbkeomtRFKXh2L6YIM=
github.com/mattn/go-sqlite3 v1.14.17/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU=
github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/sqlite v1.5.4 h1:IqXwXi8M/ZlPzH/947tn5uik3aYQslP9BVveoax0nV0=
gorm.io/driver/sqlite v1.5.4/go.mod h1:qxAuCol+2r6PannQDpOP1FP6ag3mKi4esLnB/jHed+4=
gorm.io/gorm v1.25.5 h1:zR9lOiiYf09VNh5Q1gphfyia1JpiClIWG9hQaxB/mls=
gorm.io/gorm v1.25.5/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

96
src/handlers/auth.go Normal file
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package handlers
import (
"net/http"
"sheetless-server/database"
"sheetless-server/models"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"golang.org/x/crypto/bcrypt"
)
var jwtSecret = []byte("your-secret-key") // In production, use environment variable
type RegisterRequest struct {
Username string `json:"username" binding:"required"`
Email string `json:"email" binding:"required,email"`
Password string `json:"password" binding:"required,min=6"`
}
type LoginRequest struct {
Username string `json:"username" binding:"required"`
Password string `json:"password" binding:"required"`
}
func Register(c *gin.Context) {
var req RegisterRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// Check if user already exists
var existingUser models.User
if err := database.DB.Where("username = ? OR email = ?", req.Username, req.Email).First(&existingUser).Error; err == nil {
c.JSON(http.StatusConflict, gin.H{"error": "User already exists"})
return
}
// Hash password
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(req.Password), bcrypt.DefaultCost)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to hash password"})
return
}
// Create user
user := models.User{
Username: req.Username,
Email: req.Email,
Password: string(hashedPassword),
}
if err := database.DB.Create(&user).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create user"})
return
}
c.JSON(http.StatusCreated, gin.H{"message": "User created successfully"})
}
func Login(c *gin.Context) {
var req LoginRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// Find user
var user models.User
if err := database.DB.Where("username = ?", req.Username).First(&user).Error; err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid credentials"})
return
}
// Check password
if err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(req.Password)); err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid credentials"})
return
}
// Generate JWT token
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"user_id": user.ID,
"exp": time.Now().Add(time.Hour * 24).Unix(),
})
tokenString, err := token.SignedString(jwtSecret)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
return
}
c.JSON(http.StatusOK, gin.H{"token": tokenString})
}

150
src/handlers/sheets.go Normal file
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package handlers
import (
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"sheetless-server/database"
"sheetless-server/models"
"strconv"
"time"
"github.com/gin-gonic/gin"
)
const uploadDir = "./uploads"
func init() {
// Create uploads directory if it doesn't exist
if err := os.MkdirAll(uploadDir, 0755); err != nil {
panic("Failed to create uploads directory: " + err.Error())
}
}
func UploadSheet(c *gin.Context) {
userID, exists := c.Get("user_id")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "User not authenticated"})
return
}
// Get form data
title := c.PostForm("title")
if title == "" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Title is required"})
return
}
composer := c.PostForm("composer")
description := c.PostForm("description")
// Get uploaded file
file, header, err := c.Request.FormFile("file")
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "File upload failed"})
return
}
defer file.Close()
// Validate file type (should be PDF)
if filepath.Ext(header.Filename) != ".pdf" {
c.JSON(http.StatusBadRequest, gin.H{"error": "Only PDF files are allowed"})
return
}
// Generate unique filename
filename := fmt.Sprintf("%d_%d%s", userID.(uint), time.Now().Unix(), filepath.Ext(header.Filename))
filePath := filepath.Join(uploadDir, filename)
// Save file
out, err := os.Create(filePath)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save file"})
return
}
defer out.Close()
_, err = io.Copy(out, file)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save file"})
return
}
// Get file size
fileInfo, err := out.Stat()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get file info"})
return
}
// Create database record
sheet := models.MusicSheet{
Title: title,
Composer: composer,
Description: description,
FilePath: filePath,
FileSize: fileInfo.Size(),
UserID: userID.(uint),
}
if err := database.DB.Create(&sheet).Error; err != nil {
// Clean up file if database insert fails
os.Remove(filePath)
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save sheet metadata"})
return
}
c.JSON(http.StatusCreated, gin.H{
"message": "Sheet uploaded successfully",
"sheet": sheet,
})
}
func ListSheets(c *gin.Context) {
var sheets []models.MusicSheet
query := database.DB.Preload("User")
// Filter by user if specified
if userIDStr := c.Query("user_id"); userIDStr != "" {
userID, err := strconv.ParseUint(userIDStr, 10, 32)
if err == nil {
query = query.Where("user_id = ?", uint(userID))
}
}
if err := query.Find(&sheets).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch sheets"})
return
}
c.JSON(http.StatusOK, gin.H{"sheets": sheets})
}
func DownloadSheet(c *gin.Context) {
idStr := c.Param("id")
id, err := strconv.ParseUint(idStr, 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid sheet ID"})
return
}
var sheet models.MusicSheet
if err := database.DB.First(&sheet, uint(id)).Error; err != nil {
c.JSON(http.StatusNotFound, gin.H{"error": "Sheet not found"})
return
}
// Check if file exists
if _, err := os.Stat(sheet.FilePath); os.IsNotExist(err) {
c.JSON(http.StatusNotFound, gin.H{"error": "File not found"})
return
}
// Set headers for file download
c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", filepath.Base(sheet.FilePath)))
c.Header("Content-Type", "application/pdf")
c.File(sheet.FilePath)
}

22
src/main.go Normal file
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@@ -0,0 +1,22 @@
package main
import (
"log"
"sheetless-server/database"
"sheetless-server/routes"
"github.com/gin-gonic/gin"
)
func main() {
database.InitDatabase()
r := gin.Default()
routes.SetupRoutes(r)
log.Println("Server starting on port 8080...")
if err := r.Run(":8080"); err != nil {
log.Fatal("Failed to start server:", err)
}
}

50
src/middleware/auth.go Normal file
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@@ -0,0 +1,50 @@
package middleware
import (
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
)
var jwtSecret = []byte("your-secret-key") // Should match the one in handlers/auth.go
func AuthMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
authHeader := c.GetHeader("Authorization")
if authHeader == "" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header required"})
c.Abort()
return
}
// Extract token from "Bearer <token>" format
tokenString := strings.TrimPrefix(authHeader, "Bearer ")
if tokenString == authHeader {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token format"})
c.Abort()
return
}
// Parse and validate token
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return jwtSecret, nil
})
if err != nil || !token.Valid {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
c.Abort()
return
}
// Extract claims
if claims, ok := token.Claims.(jwt.MapClaims); ok {
if userID, ok := claims["user_id"].(float64); ok {
c.Set("user_id", uint(userID))
}
}
c.Next()
}
}

21
src/models/sheet.go Normal file
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@@ -0,0 +1,21 @@
package models
import (
"time"
"gorm.io/gorm"
)
type MusicSheet struct {
ID uint `json:"id" gorm:"primaryKey"`
Title string `json:"title" gorm:"not null"`
Composer string `json:"composer"`
Description string `json:"description"`
FilePath string `json:"file_path" gorm:"not null"`
FileSize int64 `json:"file_size"`
UserID uint `json:"user_id"`
User User `json:"user" gorm:"foreignKey:UserID"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
}

17
src/models/user.go Normal file
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@@ -0,0 +1,17 @@
package models
import (
"time"
"gorm.io/gorm"
)
type User struct {
ID uint `json:"id" gorm:"primaryKey"`
Username string `json:"username" gorm:"unique;not null"`
Email string `json:"email" gorm:"unique;not null"`
Password string `json:"-" gorm:"not null"` // Don't include in JSON responses
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
}

29
src/routes/routes.go Normal file
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package routes
import (
"sheetless-server/handlers"
"sheetless-server/middleware"
"github.com/gin-gonic/gin"
)
func SetupRoutes(r *gin.Engine) {
// Public routes
auth := r.Group("/auth")
{
auth.POST("/register", handlers.Register)
auth.POST("/login", handlers.Login)
}
// Protected routes
api := r.Group("/api")
api.Use(middleware.AuthMiddleware())
{
sheets := api.Group("/sheets")
{
sheets.POST("/upload", handlers.UploadSheet)
sheets.GET("", handlers.ListSheets)
sheets.GET("/download/:id", handlers.DownloadSheet)
}
}
}