72 lines
1.1 KiB
Go
72 lines
1.1 KiB
Go
package main
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import (
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"api/context"
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"api/middleware"
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"api/utils"
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"database/sql"
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"log"
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"net/http"
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_ "github.com/mattn/go-sqlite3"
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)
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type Person struct {
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ID int
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Name string
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}
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type Context context.Context
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func main() {
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context.InitializeDB()
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db, err := sql.Open("sqlite3", "./data.db")
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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var context = Context{
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DB: db,
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}
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var router = http.NewServeMux()
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router.HandleFunc("GET /", context.HelloWorld)
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var server = http.Server{
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Addr: ":8080",
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Handler: middleware.Logging(router),
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}
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log.Println("Starting server at", server.Addr)
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err = server.ListenAndServe()
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if err != nil {
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panic(err)
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}
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}
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func (ctx *Context) HelloWorld(w http.ResponseWriter, r *http.Request) {
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sqlStmt := `select COUNT(*) from person;`
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result, err := ctx.DB.Query(sqlStmt)
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if err != nil {
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log.Fatal(err)
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}
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var count int
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if result.Next() {
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if result.Scan(&count) != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("No rows found")
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}
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err = utils.WriteJSON(w, count)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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