diff --git a/api.go b/api.go index f779c1d..d37fc18 100644 --- a/api.go +++ b/api.go @@ -1,9 +1,14 @@ package api import ( + "database/sql" + "database/sql/driver" "net/http" + "os" "github.com/gin-gonic/gin" + "github.com/tursodatabase/libsql-client-go/libsql" + _ "github.com/mattn/go-sqlite3" ) // album represents data about a record album. @@ -14,11 +19,65 @@ type album struct { Price float64 `json:"price"` } -// albums slice to seed record album data. -var albums = []album{ - {ID: "1", Title: "Blue Train", Artist: "John Coltrane", Price: 56.99}, - {ID: "2", Title: "Jeru", Artist: "Gerry Mulligan", Price: 17.99}, - {ID: "3", Title: "Sarah Vaughan and Clifford Brown", Artist: "Sarah Vaughan", Price: 39.99}, +var db *sql.DB + +func initDB() error { + dbUrl := os.Getenv("TURSO_DATABASE_URL") + if dbUrl == "" { + dbUrl = "file:./albums.db" + } + + authToken := os.Getenv("TURSO_AUTH_TOKEN") + + var connector driver.Connector + var err error + if authToken != "" { + connector, err = libsql.NewConnector(dbUrl, libsql.WithAuthToken(authToken)) + } else { + connector, err = libsql.NewConnector(dbUrl) + } + if err != nil { + return err + } + + db = sql.OpenDB(connector) + + createTableSQL := `CREATE TABLE IF NOT EXISTS albums ( + id TEXT PRIMARY KEY, + title TEXT NOT NULL, + artist TEXT NOT NULL, + price REAL NOT NULL + );` + + _, err = db.Exec(createTableSQL) + if err != nil { + return err + } + + // Check if table is empty and seed with initial data + var count int + err = db.QueryRow("SELECT COUNT(*) FROM albums").Scan(&count) + if err != nil { + return err + } + + if count == 0 { + seedData := []album{ + {ID: "1", Title: "Blue Train", Artist: "John Coltrane", Price: 56.99}, + {ID: "2", Title: "Jeru", Artist: "Gerry Mulligan", Price: 17.99}, + {ID: "3", Title: "Sarah Vaughan and Clifford Brown", Artist: "Sarah Vaughan", Price: 39.99}, + } + + for _, a := range seedData { + _, err = db.Exec("INSERT INTO albums (id, title, artist, price) VALUES (?, ?, ?, ?)", + a.ID, a.Title, a.Artist, a.Price) + if err != nil { + return err + } + } + } + + return nil } // setupRouter configures and returns the Gin router with all routes @@ -32,12 +91,35 @@ func setupRouter() *gin.Engine { } func main() { + if err := initDB(); err != nil { + panic(err) + } + defer db.Close() + router := setupRouter() router.Run("localhost:8080") } // getAlbums responds with the list of all albums as JSON. func getAlbums(c *gin.Context) { + rows, err := db.Query("SELECT id, title, artist, price FROM albums") + if err != nil { + c.IndentedJSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + defer rows.Close() + + var albums []album + for rows.Next() { + var a album + err := rows.Scan(&a.ID, &a.Title, &a.Artist, &a.Price) + if err != nil { + c.IndentedJSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + albums = append(albums, a) + } + c.IndentedJSON(http.StatusOK, albums) } @@ -51,8 +133,14 @@ func postAlbums(c *gin.Context) { return } - // Add the new album to the slice. - albums = append(albums, newAlbum) + // Insert the new album into the database. + _, err := db.Exec("INSERT INTO albums (id, title, artist, price) VALUES (?, ?, ?, ?)", + newAlbum.ID, newAlbum.Title, newAlbum.Artist, newAlbum.Price) + if err != nil { + c.IndentedJSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + c.IndentedJSON(http.StatusCreated, newAlbum) } @@ -61,13 +149,17 @@ func postAlbums(c *gin.Context) { func getAlbumByID(c *gin.Context) { id := c.Param("id") - // Loop through the list of albums, looking for - // an album whose ID value matches the parameter. - for _, a := range albums { - if a.ID == id { - c.IndentedJSON(http.StatusOK, a) - return - } + var a album + err := db.QueryRow("SELECT id, title, artist, price FROM albums WHERE id = ?", id). + Scan(&a.ID, &a.Title, &a.Artist, &a.Price) + + if err == sql.ErrNoRows { + c.IndentedJSON(http.StatusNotFound, gin.H{"message": "album not found"}) + return + } else if err != nil { + c.IndentedJSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return } - c.IndentedJSON(http.StatusNotFound, gin.H{"message": "album not found"}) + + c.IndentedJSON(http.StatusOK, a) } diff --git a/go.mod b/go.mod index a96ca1d..283297b 100644 --- a/go.mod +++ b/go.mod @@ -4,15 +4,16 @@ go 1.25.1 require ( github.com/gin-gonic/gin v1.10.1 - github.com/stretchr/testify v1.9.0 + github.com/tursodatabase/libsql-client-go v0.0.0-20240902231107-85af5b9d094d ) require ( + github.com/antlr4-go/antlr/v4 v4.13.0 // indirect github.com/bytedance/sonic v1.11.6 // indirect github.com/bytedance/sonic/loader v0.1.1 // indirect github.com/cloudwego/base64x v0.1.4 // indirect github.com/cloudwego/iasm v0.2.0 // indirect - github.com/davecgh/go-spew v1.1.1 // indirect + github.com/coder/websocket v1.8.12 // indirect github.com/gabriel-vasile/mimetype v1.4.3 // indirect github.com/gin-contrib/sse v0.1.0 // indirect github.com/go-playground/locales v0.14.1 // indirect @@ -23,14 +24,15 @@ require ( github.com/klauspost/cpuid/v2 v2.2.7 // indirect github.com/leodido/go-urn v1.4.0 // indirect github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mattn/go-sqlite3 v1.14.32 // 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 v2.2.2 // indirect - github.com/pmezard/go-difflib v1.0.0 // indirect github.com/twitchyliquid64/golang-asm v0.15.1 // indirect github.com/ugorji/go/codec v1.2.12 // indirect golang.org/x/arch v0.8.0 // indirect golang.org/x/crypto v0.23.0 // indirect + golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 // indirect golang.org/x/net v0.25.0 // indirect golang.org/x/sys v0.20.0 // indirect golang.org/x/text v0.15.0 // indirect diff --git a/go.sum b/go.sum index 0397106..aa55477 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,5 @@ +github.com/antlr4-go/antlr/v4 v4.13.0 h1:lxCg3LAv+EUK6t1i0y1V6/SLeUi0eKEKdhQAlS8TVTI= +github.com/antlr4-go/antlr/v4 v4.13.0/go.mod h1:pfChB/xh/Unjila75QW7+VU4TSnWnnk9UTnmpPaOR2g= github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0= github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4= github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM= @@ -6,6 +8,8 @@ github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/ github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w= github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg= github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY= +github.com/coder/websocket v1.8.12 h1:5bUXkEPPIbewrnkU8LTCLVaxi4N4J8ahufH2vlo4NAo= +github.com/coder/websocket v1.8.12/go.mod h1:LNVeNrXQZfe5qhS9ALED3uA+l5pPqvwXg3CKoDBB2gs= 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= @@ -25,8 +29,8 @@ github.com/go-playground/validator/v10 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBEx github.com/go-playground/validator/v10 v10.20.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM= 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/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/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg= +github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= @@ -38,6 +42,8 @@ github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ= github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI= github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/mattn/go-sqlite3 v1.14.32 h1:JD12Ag3oLy1zQA+BNn74xRgaBbdhbNIDYvQUEuuErjs= +github.com/mattn/go-sqlite3 v1.14.32/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y= 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= @@ -59,6 +65,8 @@ github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg= github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY= +github.com/tursodatabase/libsql-client-go v0.0.0-20240902231107-85af5b9d094d h1:dOMI4+zEbDI37KGb0TI44GUAwxHF9cMsIoDTJ7UmgfU= +github.com/tursodatabase/libsql-client-go v0.0.0-20240902231107-85af5b9d094d/go.mod h1:l8xTsYB90uaVdMHXMCxKKLSgw5wLYBwBKKefNIUnm9s= 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 v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65EE= @@ -68,6 +76,8 @@ golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc= golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys= golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI= golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8= +golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 h1:aAcj0Da7eBAtrTp03QXWvm88pSyOt+UgdZw2BFZ+lEw= +golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8/go.mod h1:CQ1k9gNrJ50XIzaKCRR2hssIjF07kZFEiieALBM/ARQ= golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac= golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -76,8 +86,6 @@ golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y= golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk= golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= -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 v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg= google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=