feat: Add API

feat: Add DB-backed time provider

internal/api/api.go

@@ -2,13 +2,14 @@ package api
 
 import (
 	"errors"
+	"fmt"
 	"net/http"
 	"time"
 
 	"github.com/gofiber/fiber/v2"
-	"github.com/gofiber/fiber/v2/middleware/cache"
 	"github.com/gofiber/fiber/v2/middleware/cors"
 	"github.com/gofiber/fiber/v2/middleware/favicon"
+	"github.com/gofiber/fiber/v2/middleware/logger"
 	recover "github.com/gofiber/fiber/v2/middleware/recover"
 
 	"prayertimes/pkg/prayer"
@@ -40,14 +41,16 @@ func New(services Services) *fiber.App {
 	})
 
 	app.Use(
+		favicon.New(),
 		recover.New(recover.Config{
 			EnableStackTrace: true,
 		}),
-		favicon.New(),
+		logger.New(),
 		cors.New(),
 	)
 
-	app.Get("/diyanet/prayertimes", cache.New(), func(ctx *fiber.Ctx) error {
+	cacheHeader := fmt.Sprintf("max-age=%0f", (time.Hour * 24).Seconds())
+	app.Get("/diyanet/prayertimes", func(ctx *fiber.Ctx) error {
 		locationID := ctx.Query("location_id")
 
 		times, err := services.PrayerTimesProvider.Get(ctx.Context(), locationID)
@@ -55,6 +58,8 @@ func New(services Services) *fiber.App {
 			return err
 		}
 
+		ctx.Response().Header.Add(fiber.HeaderCacheControl, cacheHeader)
+
 		return ctx.JSON(times)
 	})
 

internal/database/sqlite.go

@@ -0,0 +1,38 @@
+package database
+
+import (
+	"database/sql"
+	"fmt"
+	"net/url"
+
+	"github.com/doug-martin/goqu/v9"
+	goqusqlite3 "github.com/doug-martin/goqu/v9/dialect/sqlite3"
+	_ "modernc.org/sqlite"
+)
+
+func init() {
+	goqu.RegisterDialect("sqlite3", func() *goqu.SQLDialectOptions {
+		do := goqusqlite3.DialectOptions()
+		do.SupportsReturn = true
+		return do
+	}())
+}
+
+func NewSqliteDB(filename string) (*goqu.Database, error) {
+	pragmas := url.Values{
+		"_pragma": {
+			"journal_mode(WAL)",
+			"foreign_keys(1)",
+			"synchronous(NORMAL)",
+			"busy_timeout(5000)",
+		},
+	}.Encode()
+	dsn := fmt.Sprintf("%s?%s", filename, pragmas)
+
+	conn, err := sql.Open("sqlite", dsn)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open database: %w", err)
+	}
+
+	return goqu.New("sqlite3", conn), nil
+}