feat: init project

go.mod

@@ -0,0 +1,5 @@
+module log101-blog-services
+
+go 1.22.3
+
+require github.com/mattn/go-sqlite3 v1.14.22

go.sum

@@ -0,0 +1,2 @@
+github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
+github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=

main.go

@@ -0,0 +1,95 @@
+// main.go
+package main
+
+import (
+    "database/sql"
+    "encoding/json"
+    "log"
+    "net/http"
+
+    _ "github.com/mattn/go-sqlite3"
+)
+
+type EmojiClick struct {
+    PostID string `json:"post_id"`
+    Emoji  string `json:"emoji"`
+}
+
+func main() {
+    // Connect to the SQLite database
+    db, err := sql.Open("sqlite3", "./emoji_counter.db")
+    if err != nil {
+        log.Fatal(err)
+    }
+    defer db.Close()
+
+    // Execute schema SQL to create tables
+    schema := `CREATE TABLE IF NOT EXISTS emoji_clicks (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        post_id TEXT NOT NULL,
+        emoji TEXT NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+    );`
+    _, err = db.Exec(schema)
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    // Define the HTTP handler for emoji clicks
+    http.HandleFunc("/emoji-click", func(w http.ResponseWriter, r *http.Request) {
+        if r.Method != http.MethodPost {
+            http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
+            return
+        }
+
+        var emojiClick EmojiClick
+        if err := json.NewDecoder(r.Body).Decode(&emojiClick); err != nil {
+            http.Error(w, "Bad request", http.StatusBadRequest)
+            return
+        }
+
+        _, err := db.Exec("INSERT INTO emoji_clicks (post_id, emoji) VALUES (?, ?)", emojiClick.PostID, emojiClick.Emoji)
+        if err != nil {
+            http.Error(w, "Failed to save emoji click", http.StatusInternalServerError)
+            return
+        }
+
+        w.WriteHeader(http.StatusOK)
+    })
+
+    // Define the HTTP handler for getting emoji counts
+    http.HandleFunc("/emoji-counts", func(w http.ResponseWriter, r *http.Request) {
+        postID := r.URL.Query().Get("post_id")
+        if postID == "" {
+            http.Error(w, "post_id is required", http.StatusBadRequest)
+            return
+        }
+
+        rows, err := db.Query("SELECT emoji, COUNT(*) as count FROM emoji_clicks WHERE post_id = ? GROUP BY emoji", postID)
+        if err != nil {
+            http.Error(w, "Failed to get emoji counts", http.StatusInternalServerError)
+            return
+        }
+        defer rows.Close()
+
+        emojiCounts := make(map[string]int)
+        for rows.Next() {
+            var emoji string
+            var count int
+            if err := rows.Scan(&emoji, &count); err != nil {
+                http.Error(w, "Failed to parse emoji counts", http.StatusInternalServerError)
+                return
+            }
+            emojiCounts[emoji] = count
+        }
+
+        if err := json.NewEncoder(w).Encode(emojiCounts); err != nil {
+            http.Error(w, "Failed to encode response", http.StatusInternalServerError)
+            return
+        }
+    })
+
+    // Start the HTTP server
+    log.Println("Starting server on :8080")
+    log.Fatal(http.ListenAndServe(":8080", nil))
+}

schema.sql

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+-- schema.sql
+CREATE TABLE IF NOT EXISTS emoji_clicks (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    post_id TEXT NOT NULL,
+    emoji TEXT NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);