change gin web framework to ron

core/cmd/database/migrations/001_rating_schema.up.sql

@@ -0,0 +1,33 @@
+create table if not exists tv_show (
+  id serial unique primary key,
+  "name" varchar not null,
+  tt_imdb varchar not null,
+  popularity int not null default 0,
+
+  created_at timestamp not null default (now()),
+  updated_at timestamp not null default (now())
+);
+
+create index if not exists idx_tv_show_name on "tv_show" ("name");
+create index if not exists idx_tv_show_tt_imdb on "tv_show" ("tt_imdb");
+create index if not exists idx_tv_show_updated_at on "tv_show" ("updated_at");
+
+create table if not exists episodes (
+  id serial unique primary key,
+  tv_show_id integer not null,
+
+  season integer not null,
+  episode integer not null,
+  released date,
+  "name" varchar not null,
+  plot text not null default '',
+  avg_rating real not null default 0,
+  vote_count int not null default 0,
+
+  foreign key (tv_show_id) references tv_show (id)
+);
+
+
+
+
+

core/cmd/database/queries/tv_show.sql

@@ -0,0 +1,38 @@
+-- name: CreateTVShow :one
+insert into "tv_show" (name, tt_imdb)
+values ($1, $2)
+returning *;
+
+-- name: CreateEpisodes :one
+insert into "episodes" (tv_show_id, season, episode, released, name, plot, avg_rating, vote_count)
+values ($1, $2, $3, $4, $5, $6, $7, $8)
+returning *;
+
+-- name: CheckTVShowExists :one
+select * from "tv_show"
+where tt_imdb = $1;
+
+-- name: GetEpisodes :many
+select * from "episodes"
+where tv_show_id = $1
+order by season, episode asc;
+
+-- name: IncreasePopularity :exec
+update "tv_show" set popularity = popularity + 1
+where tt_imdb = $1;
+
+-- name: TvShowAverageRating :one
+select avg(avg_rating) from "episodes"
+where tv_show_id = $1;
+
+-- name: TvShowMedianRating :one
+select percentile_cont(0.5) within group (order by avg_rating) from "episodes"
+where tv_show_id = $1;
+
+-- name: SeasonAverageRating :one
+select avg(avg_rating) from "episodes"
+where tv_show_id = $1 and season = $2;
+
+-- name: SeasonMedianRating :one
+select percentile_cont(0.5) within group (order by avg_rating) from "episodes"
+where tv_show_id = $1 and season = $2;

core/cmd/main.go

@@ -1,82 +1,44 @@
 package main
 
 import (
+	"embed"
 	"encoding/gob"
-	"errors"
-	"gopher-toolbox/config"
+	"gopher-toolbox/app"
 	"log/slog"
-	"net/http"
-	"os"
+	"ron"
 
-	"gopher-toolbox/db"
-	"gopher-toolbox/utils"
-
-	"github.com/golang-migrate/migrate/v4"
 	_ "github.com/golang-migrate/migrate/v4/database/postgres"
 	_ "github.com/golang-migrate/migrate/v4/source/file"
-	"github.com/joho/godotenv"
 	"github.com/zepyrshut/rating-orama/internal/handlers"
 	"github.com/zepyrshut/rating-orama/internal/repository"
+	"gopher-toolbox/db"
 )
 
 const version = "0.2.0-beta.20241116-4"
 
-var app *config.App
-
 func init() {
 	gob.Register(map[string]string{})
-
-	err := godotenv.Load()
-	if err != nil {
-		slog.Error("cannot load .env file", "error", err)
-	}
-	config.NewLogger(config.LogLevel(os.Getenv("LOG_LEVEL")))
-	slog.Info("starting server")
-
-	if os.Getenv("MIGRATE") == "true" {
-		migrateDB()
-	}
 }
 
-func migrateDB() {
-	slog.Info("migrating database")
-	m, err := migrate.New("file://database/migrations", os.Getenv("DATASOURCE"))
-	if err != nil {
-		slog.Error("cannot create migration", "error", err)
-	}
-
-	err = m.Up()
-	if err != nil && !errors.Is(err, migrate.ErrNoChange) {
-		slog.Error("cannot migrate", "error", err)
-		panic(err)
-	}
-	if errors.Is(err, migrate.ErrNoChange) {
-		slog.Info("migration has no changes")
-	}
-
-	slog.Info("migration done")
-}
+//go:embed database/migrations
+var database embed.FS
 
 func main() {
+	app := app.New(version)
+	app.Migrate(database)
+	r := ron.New(func(e *ron.Engine) {
+		e.Config.LogLevel = slog.LevelDebug
+	})
 
-	app = &config.App{
-		DataSource: os.Getenv("DATASOURCE"),
-		UseCache:   utils.GetBool(os.Getenv("USE_CACHE")),
-		AppInfo: config.AppInfo{
-			GinMode: os.Getenv("GIN_MODE"),
-			Version: version,
-		},
-	}
-
-	dbPool := db.NewPostgresPool(app.DataSource)
+	dbPool := db.NewPGXPool(app.Database.DataSource)
 	defer dbPool.Close()
 
 	q := repository.NewPGXRepo(dbPool)
 	h := handlers.New(q, app)
-	r := Router(h, app)
+	router(h, r)
 
 	slog.Info("server started", "port", "8080", "version", version)
-	err := http.ListenAndServe(":8080", r)
+	err := r.Run(":8080")
 	if err != nil {
 		slog.Error("cannot start server", "error", err)
 	}

core/cmd/routes.go

@@ -1,18 +1,14 @@
 package main
 
 import (
-	"github.com/gin-gonic/gin"
 	"github.com/zepyrshut/rating-orama/internal/handlers"
-
-	"gopher-toolbox/config"
+	"ron"
 )
 
-func Router(h *handlers.Handlers, app *config.App) *gin.Engine {
-	gin.SetMode(app.AppInfo.GinMode)
-	r := gin.New()
+func router(h *handlers.Handlers, r *ron.Engine) {
 
 	r.GET("/ping", h.Ping)
+	r.GET("/error", h.Error)
 	r.GET("/tvshow", h.GetTVShow)
 
-	return r
 }