diff --git a/exercise7/blogging-platform/go.mod b/exercise7/blogging-platform/go.mod index ca16e703..0634f4b9 100644 --- a/exercise7/blogging-platform/go.mod +++ b/exercise7/blogging-platform/go.mod @@ -2,4 +2,36 @@ module github.com/talgat-ruby/exercises-go/exercise7/blogging-platform go 1.23.3 -require github.com/lib/pq v1.10.9 +require ( + github.com/gin-gonic/gin v1.10.0 + github.com/lib/pq v1.10.9 +) + +require ( + 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/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 + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.20.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + 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/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/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/net v0.25.0 // indirect + golang.org/x/sys v0.20.0 // indirect + golang.org/x/text v0.15.0 // indirect + google.golang.org/protobuf v1.34.1 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) \ No newline at end of file diff --git a/exercise7/blogging-platform/go.sum b/exercise7/blogging-platform/go.sum index aeddeae3..edf64dc6 100644 --- a/exercise7/blogging-platform/go.sum +++ b/exercise7/blogging-platform/go.sum @@ -1,2 +1,91 @@ +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= +github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU= +github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y= +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/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 v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0= +github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk= +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 v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU= +github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y= +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 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBExVwjEviJTixqxL8= +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/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= +github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM= +github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws= +github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M= +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/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= +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/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 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM= +github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs= +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/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA= +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 v1.8.4/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/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= +github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg= +golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= +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/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= s +golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +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= +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= +nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= \ No newline at end of file diff --git a/exercise7/blogging-platform/main.go b/exercise7/blogging-platform/main.go index 1ffa1477..64964108 100644 --- a/exercise7/blogging-platform/main.go +++ b/exercise7/blogging-platform/main.go @@ -1,49 +1,156 @@ package main import ( - "context" - "log/slog" - "os" - "os/signal" + "database/sql" + "fmt" + "log" + "net/http" + "time" - "github.com/talgat-ruby/exercises-go/exercise7/blogging-platform/internal/api" - "github.com/talgat-ruby/exercises-go/exercise7/blogging-platform/internal/db" + "github.com/gin-gonic/gin" + "github.com/lib/pq" + _ "github.com/lib/pq" ) +type BlogPost struct { + ID int `json:"id"` + Title string `json:"title" binding:"required"` + Content string `json:"content" binding:"required"` + Category string `json:"category" binding:"required"` + Tags []string `json:"tags" binding:"required"` + CreatedAt time.Time `json:"createdAt"` + UpdatedAt time.Time `json:"updatedAt"` +} + +var db *sql.DB + func main() { - ctx, cancel := context.WithCancel(context.Background()) + var err error + connStr := "postgres://astanamac:adlet@localhost:5432/blog?sslmode=disable" + db, err = sql.Open("postgres", connStr) + if err != nil { + log.Fatal("Ошибка при подключении к PostgreSQL:", err) + } + + // Проверка соединения + err = db.Ping() + if err != nil { + log.Fatal("Не удалось подключиться к базе данных:", err) + } else { + fmt.Println("✅ Успешное подключение к базе данных!") + } + + r := gin.Default() + r.POST("/posts", createPost) + r.PUT("/posts/:id", updatePost) + r.DELETE("/posts/:id", deletePost) + r.GET("/posts/:id", getPost) + r.GET("/posts", getAllPosts) + + fmt.Println("🚀 Сервер запущен на порту 8080") + r.Run(":8080") +} + +func createPost(c *gin.Context) { + var post BlogPost + if err := c.ShouldBindJSON(&post); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return + } + timeNow := time.Now() + post.CreatedAt, post.UpdatedAt = timeNow, timeNow + + query := `INSERT INTO posts (title, content, category, tags, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6) RETURNING id` + err := db.QueryRow(query, post.Title, post.Content, post.Category, pq.Array(post.Tags), post.CreatedAt, post.UpdatedAt).Scan(&post.ID) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + c.JSON(http.StatusCreated, post) +} + +func updatePost(c *gin.Context) { + id := c.Param("id") + var post BlogPost + if err := c.ShouldBindJSON(&post); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return + } + + post.UpdatedAt = time.Now() + query := `UPDATE posts SET title=$1, content=$2, category=$3, tags=$4, updated_at=$5 WHERE id=$6` + result, err := db.Exec(query, post.Title, post.Content, post.Category, pq.Array(post.Tags), post.UpdatedAt, id) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + rowsAffected, _ := result.RowsAffected() + if rowsAffected == 0 { + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + c.JSON(http.StatusOK, post) +} + +func deletePost(c *gin.Context) { + id := c.Param("id") + query := `DELETE FROM posts WHERE id=$1` + result, err := db.Exec(query, id) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + rowsAffected, _ := result.RowsAffected() + if rowsAffected == 0 { + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + c.Status(http.StatusNoContent) +} + +func getPost(c *gin.Context) { + id := c.Param("id") + var post BlogPost + var tags pq.StringArray - // db - _, err := db.New() + query := `SELECT id, title, content, category, tags, created_at, updated_at FROM posts WHERE id=$1` + err := db.QueryRow(query, id).Scan(&post.ID, &post.Title, &post.Content, &post.Category, (*pq.StringArray)(&tags), &post.CreatedAt, &post.UpdatedAt) if err != nil { - slog.ErrorContext( - ctx, - "initialize service error", - "service", "db", - "error", err, - ) - panic(err) - } - - // api - a := api.New() - if err := a.Start(ctx); err != nil { - slog.ErrorContext( - ctx, - "initialize service error", - "service", "api", - "error", err, - ) - panic(err) - } - - go func() { - shutdown := make(chan os.Signal, 1) // Create channel to signify s signal being sent - signal.Notify(shutdown, os.Interrupt) // When an interrupt is sent, notify the channel - - sig := <-shutdown - slog.WarnContext(ctx, "signal received - shutting down...", "signal", sig) - - cancel() - }() + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + post.Tags = tags + c.JSON(http.StatusOK, post) } + +func getAllPosts(c *gin.Context) { + searchTerm := c.Query("term") + query := `SELECT id, title, content, category, tags, created_at, updated_at FROM posts WHERE title ILIKE $1 OR content ILIKE $1 OR category ILIKE $1` + rows, err := db.Query(query, "%"+searchTerm+"%") + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + defer rows.Close() + + var posts []BlogPost + for rows.Next() { + var post BlogPost + var tags pq.StringArray + + if err := rows.Scan(&post.ID, &post.Title, &post.Content, &post.Category, (*pq.StringArray)(&tags), &post.CreatedAt, &post.UpdatedAt); err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + post.Tags = tags + posts = append(posts, post) + } + + c.JSON(http.StatusOK, posts) +} \ No newline at end of file diff --git a/exercise7/blogging-platform/pkg/httputils/statusError/main.go b/exercise7/blogging-platform/pkg/httputils/statusError/main.go index 6cf4e1b6..64964108 100644 --- a/exercise7/blogging-platform/pkg/httputils/statusError/main.go +++ b/exercise7/blogging-platform/pkg/httputils/statusError/main.go @@ -1,18 +1,156 @@ -package statusError +package main -type StatusError struct { - status int - msg string +import ( + "database/sql" + "fmt" + "log" + "net/http" + "time" + + "github.com/gin-gonic/gin" + "github.com/lib/pq" + _ "github.com/lib/pq" +) + +type BlogPost struct { + ID int `json:"id"` + Title string `json:"title" binding:"required"` + Content string `json:"content" binding:"required"` + Category string `json:"category" binding:"required"` + Tags []string `json:"tags" binding:"required"` + CreatedAt time.Time `json:"createdAt"` + UpdatedAt time.Time `json:"updatedAt"` } -func New(status int, msg string) error { - return &StatusError{status, msg} +var db *sql.DB + +func main() { + var err error + connStr := "postgres://astanamac:adlet@localhost:5432/blog?sslmode=disable" + db, err = sql.Open("postgres", connStr) + if err != nil { + log.Fatal("Ошибка при подключении к PostgreSQL:", err) + } + + // Проверка соединения + err = db.Ping() + if err != nil { + log.Fatal("Не удалось подключиться к базе данных:", err) + } else { + fmt.Println("✅ Успешное подключение к базе данных!") + } + + r := gin.Default() + r.POST("/posts", createPost) + r.PUT("/posts/:id", updatePost) + r.DELETE("/posts/:id", deletePost) + r.GET("/posts/:id", getPost) + r.GET("/posts", getAllPosts) + + fmt.Println("🚀 Сервер запущен на порту 8080") + r.Run(":8080") } -func (st *StatusError) Error() string { - return st.msg +func createPost(c *gin.Context) { + var post BlogPost + if err := c.ShouldBindJSON(&post); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return + } + timeNow := time.Now() + post.CreatedAt, post.UpdatedAt = timeNow, timeNow + + query := `INSERT INTO posts (title, content, category, tags, created_at, updated_at) VALUES ($1, $2, $3, $4, $5, $6) RETURNING id` + err := db.QueryRow(query, post.Title, post.Content, post.Category, pq.Array(post.Tags), post.CreatedAt, post.UpdatedAt).Scan(&post.ID) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + c.JSON(http.StatusCreated, post) } -func (st *StatusError) Status() int { - return st.status +func updatePost(c *gin.Context) { + id := c.Param("id") + var post BlogPost + if err := c.ShouldBindJSON(&post); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) + return + } + + post.UpdatedAt = time.Now() + query := `UPDATE posts SET title=$1, content=$2, category=$3, tags=$4, updated_at=$5 WHERE id=$6` + result, err := db.Exec(query, post.Title, post.Content, post.Category, pq.Array(post.Tags), post.UpdatedAt, id) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + rowsAffected, _ := result.RowsAffected() + if rowsAffected == 0 { + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + c.JSON(http.StatusOK, post) } + +func deletePost(c *gin.Context) { + id := c.Param("id") + query := `DELETE FROM posts WHERE id=$1` + result, err := db.Exec(query, id) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + + rowsAffected, _ := result.RowsAffected() + if rowsAffected == 0 { + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + c.Status(http.StatusNoContent) +} + +func getPost(c *gin.Context) { + id := c.Param("id") + var post BlogPost + var tags pq.StringArray + + query := `SELECT id, title, content, category, tags, created_at, updated_at FROM posts WHERE id=$1` + err := db.QueryRow(query, id).Scan(&post.ID, &post.Title, &post.Content, &post.Category, (*pq.StringArray)(&tags), &post.CreatedAt, &post.UpdatedAt) + if err != nil { + c.JSON(http.StatusNotFound, gin.H{"error": "Post not found"}) + return + } + + post.Tags = tags + c.JSON(http.StatusOK, post) +} + +func getAllPosts(c *gin.Context) { + searchTerm := c.Query("term") + query := `SELECT id, title, content, category, tags, created_at, updated_at FROM posts WHERE title ILIKE $1 OR content ILIKE $1 OR category ILIKE $1` + rows, err := db.Query(query, "%"+searchTerm+"%") + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + defer rows.Close() + + var posts []BlogPost + for rows.Next() { + var post BlogPost + var tags pq.StringArray + + if err := rows.Scan(&post.ID, &post.Title, &post.Content, &post.Category, (*pq.StringArray)(&tags), &post.CreatedAt, &post.UpdatedAt); err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) + return + } + post.Tags = tags + posts = append(posts, post) + } + + c.JSON(http.StatusOK, posts) +} \ No newline at end of file diff --git a/exercises-go b/exercises-go new file mode 160000 index 00000000..2e67710a --- /dev/null +++ b/exercises-go @@ -0,0 +1 @@ +Subproject commit 2e67710ae4a3815e4bb9f1b5499882fb8dbc9974