Add: simple get tags and create tag

pkg/api/api.go

@@ -82,6 +82,10 @@ func NewAPI(config Config) (*API, error) {
 	apiMux.HandleFunc("/login", api.HandleLogin)
 	apiMux.HandleFunc("/register", api.HandleRegister)
 	apiMux.HandleFunc("/logout", api.LoginAsAnonymous)
+	// tag
+	apiMux.HandleFunc("/get_tags", api.HandleGetTags)
+	apiMux.HandleFunc("/get_tag_info", api.HandleGetTagInfo)
+	apiMux.HandleFunc("/insert_tag", api.HandleInsertTag)
 	// below needs token
 	apiMux.HandleFunc("/walk", api.HandleWalk)
 	apiMux.HandleFunc("/reset", api.HandleReset)

pkg/api/handle_tag.go

@@ -0,0 +1,93 @@
+package api
+
+import (
+	"encoding/json"
+	"log"
+	"msw-open-music/pkg/database"
+	"net/http"
+)
+
+type getTagsResponse struct {
+	Tags []database.Tag `json:"tags"`
+}
+
+func (api *API) HandleGetTags(w http.ResponseWriter, r *http.Request) {
+	tags, err := api.Db.GetTags()
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	log.Println("Successfully got tags")
+
+	resp := &getTagsResponse{Tags: tags}
+
+	err = json.NewEncoder(w).Encode(resp)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+}
+
+type InsertTagRequest struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+}
+
+type InsertTagResponse struct {
+	Tag *database.Tag `json:"tag"`
+}
+
+func (api *API) HandleInsertTag(w http.ResponseWriter, r *http.Request) {
+	var req InsertTagRequest
+	err := json.NewDecoder(r.Body).Decode(&req)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	tag, err := api.Db.InsertTag(req.Name, req.Description)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	resp := &InsertTagResponse{Tag: tag}
+	
+	err = json.NewEncoder(w).Encode(resp)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+}
+
+type GetTagInfoRequest struct {
+	ID int64 `json:"id"`
+}
+
+type GetTagInfoResponse struct {
+	Tag *database.Tag `json:"tag"`
+}
+
+func (api *API) HandleGetTagInfo(w http.ResponseWriter, r *http.Request) {
+	var req GetTagInfoRequest
+	err := json.NewDecoder(r.Body).Decode(&req)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	tag, err := api.Db.GetTag(req.ID)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+
+	resp := &GetTagInfoResponse{Tag: tag}
+
+	err = json.NewEncoder(w).Encode(resp)
+	if err != nil {
+		api.HandleError(w, r, err)
+		return
+	}
+}

pkg/database/method_tag.go

@@ -0,0 +1,40 @@
+package database
+
+func (database *Database) InsertTag(tag string, description string) (*Tag, error) {
+	result, err := database.stmt.insertTag.Exec(tag, description)
+	if err != nil {
+		return nil, err
+	}
+	id, err := result.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+	return database.GetTag(id)
+}
+
+func (database *Database) GetTag(id int64) (*Tag, error) {
+	tag := &Tag{}
+	err := database.stmt.getTag.QueryRow(id).Scan(&tag.ID, &tag.Name, &tag.Description)
+	if err != nil {
+		return nil, err
+	}
+	return tag, nil
+}
+
+func (database *Database) GetTags() ([]Tag, error) {
+	tags := []Tag{}
+	rows, err := database.stmt.getTags.Query()
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	for rows.Next() {
+		tag := Tag{}
+		err := rows.Scan(&tag.ID, &tag.Name, &tag.Description)
+		if err != nil {
+			return nil, err
+		}
+		tags = append(tags, tag)
+	}
+	return tags, nil
+}

pkg/database/sql_stmt.go

@@ -43,8 +43,9 @@ var initAvatarsTableQuery = `CREATE TABLE IF NOT EXISTS avatars (
 );`
 
 var initTagsTableQuery = `CREATE TABLE IF NOT EXISTS tags (
-	id INTEGER PRIMARY KEY,
-	tag TEXT NOT NULL
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	name TEXT NOT NULL UNIQUE,
+	description TEXT NOT NULL
 );`
 
 var initFileHasTagTableQuery = `CREATE TABLE IF NOT EXISTS file_has_tag (
@@ -169,6 +170,12 @@ var getUserByIdQuery = `SELECT id, username, role, avatar_id FROM users WHERE id
 
 var getAnonymousUserQuery = `SELECT id, username, role, avatar_id FROM users WHERE role = 0 LIMIT 1;`
 
+var insertTagQuery = `INSERT INTO tags (name, description) VALUES (?, ?);`
+
+var getTagQuery = `SELECT id, name, description FROM tags WHERE id = ? LIMIT 1;`
+
+var getTagsQuery = `SELECT id, name, description FROM tags;`
+
 type Stmt struct {
 	initFilesTable     *sql.Stmt
 	initFoldersTable   *sql.Stmt
@@ -201,6 +208,9 @@ type Stmt struct {
 	getUser            *sql.Stmt
 	getUserById        *sql.Stmt
 	getAnonymousUser   *sql.Stmt
+	insertTag          *sql.Stmt
+	getTag             *sql.Stmt
+	getTags            *sql.Stmt
 }
 
 func NewPreparedStatement(sqlConn *sql.DB) (*Stmt, error) {
@@ -457,5 +467,23 @@ func NewPreparedStatement(sqlConn *sql.DB) (*Stmt, error) {
 		}
 	}
 
+	// init insertTag
+	stmt.insertTag, err = sqlConn.Prepare(insertTagQuery)
+	if err != nil {
+		return nil, err
+	}
+
+	// init getTag
+	stmt.getTag, err = sqlConn.Prepare(getTagQuery)
+	if err != nil {
+		return nil, err
+	}
+
+	// init getTags
+	stmt.getTags, err = sqlConn.Prepare(getTagsQuery)
+	if err != nil {
+		return nil, err
+	}
+
 	return stmt, err
 }

pkg/database/struct.go

@@ -28,10 +28,16 @@ type User struct {
 	AvatarId int64  `json:"avatar_id"`
 }
 
+type Tag struct {
+	ID          int64  `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+}
+
 var (
 	RoleAnonymous = int64(0)
-	RoleAdmin = int64(1)
-	RoleUser = int64(2)
+	RoleAdmin     = int64(1)
+	RoleUser      = int64(2)
 )
 
 func (f *File) Path() (string, error) {

web/src/App.js

@@ -9,6 +9,8 @@ import Manage from "./component/Manage";
 import Share from "./component/Share";
 import Login from "./component/Login";
 import Register from "./component/Register";
+import Tags from "./component/Tags";
+import EditTag from "./component/EditTag";
 import AudioPlayer from "./component/AudioPlayer";
 import UserStatus from "./component/UserStatus";
 import { useState } from "react";
@@ -59,9 +61,26 @@ function App() {
               path="/folders/:id"
               element={<FilesInFolder setPlayingFile={setPlayingFile} />}
             />
-            <Route path="/manage" element={<Manage user={user} setUser={setUser} />} />
-            <Route path="/manage/login" element={<Login user={user} setUser={setUser} />} />
-            <Route path="/manage/register" element={<Register user={user} setUser={setUser} />} />
+            <Route
+              path="/manage"
+              element={<Manage user={user} setUser={setUser} />}
+            />
+            <Route
+              path="/manage/login"
+              element={<Login user={user} setUser={setUser} />}
+            />
+            <Route
+              path="/manage/register"
+              element={<Register user={user} setUser={setUser} />}
+            />
+            <Route
+              path="/manage/tags"
+              element={<Tags user={user} />}
+            />
+            <Route
+              path="/manage/tags/:id"
+              element={<EditTag user={user} />}
+            />
             <Route
               path="/files/:id/share"
               element={<Share setPlayingFile={setPlayingFile} />}

web/src/component/EditTag.js

@@ -0,0 +1,62 @@
+import { useState, useEffect } from "react";
+import { useParams } from "react-router";
+
+function EditTag() {
+  let params = useParams();
+  const [tag, setTag] = useState({});
+
+  useEffect(() => {
+    fetch("/api/v1/get_tag_info", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        id: parseInt(params.id),
+      }),
+    })
+      .then((res) => res.json())
+      .then((data) => {
+        if (data.error) {
+          alert(data.error);
+        } else {
+          setTag(data.tag);
+        }
+      });
+  }, []);
+
+  return (
+    <div className="page">
+      <h3>Edit Tag</h3>
+      <div>
+        <label htmlFor="id">ID</label>
+        <input
+          type="text"
+          disabled
+          name="id"
+          id="id"
+          value={tag.id}
+          onChange={(e) => setTag({ ...tag, id: e.target.value })}
+        />
+        <label htmlFor="name">Name</label>
+        <input
+          type="text"
+          name="name"
+          id="name"
+          value={tag.name}
+          onChange={(e) => setTag({ ...tag, name: e.target.value })}
+        />
+        <label htmlFor="description">Description</label>
+        <textarea
+          name="description"
+          id="description"
+          value={tag.description}
+          onChange={(e) => setTag({ ...tag, description: e.target.value })}
+        />
+        <button onClick={() => {}}>Save</button>
+      </div>
+    </div>
+  );
+}
+
+export default EditTag;

web/src/component/Manage.js

@@ -24,7 +24,7 @@ function Manage(props) {
       },
       body: JSON.stringify({
         root: walkPath,
-        pattern: patternArray
+        pattern: patternArray,
       }),
     })
       .then((res) => res.json())
@@ -64,6 +64,7 @@ function Manage(props) {
         </button>
       )}
       <hr />
+      <button onClick={() => navigate("/manage/tags")}>Tags</button>
       <h3>Update Database</h3>
       <input
         type="text"

web/src/component/Tags.js

@@ -0,0 +1,99 @@
+import { useEffect, useState } from "react";
+import { Link } from "react-router-dom";
+
+function Tags() {
+  const [tags, setTags] = useState([]);
+  const [newTagName, setNewTagName] = useState("");
+  const [newTagDescription, setNewTagDescription] = useState("");
+  const [showAddTag, setShowAddTag] = useState(false);
+
+  function refresh() {
+    fetch("/api/v1/get_tags")
+      .then((res) => res.json())
+      .then((data) => {
+        if (data.error) {
+          alert(data.error);
+        } else {
+          setTags(data.tags);
+        }
+      });
+  }
+
+  useEffect(() => {
+    refresh();
+  }, []);
+
+  return (
+    <div className="page">
+      <h3>Tags</h3>
+      <table>
+        <thead>
+          <tr>
+            <th>Name</th>
+            <th>Description</th>
+            <th>Actions</th>
+          </tr>
+        </thead>
+        <tbody>
+          {tags.map((tag) => (
+            <tr key={tag.id}>
+              <td>{tag.name}</td>
+              <td>{tag.description}</td>
+              <td>
+                <Link to={`/manage/tags/${tag.id}`}>Edit</Link>
+              </td>
+            </tr>
+          ))}
+        </tbody>
+      </table>
+      {!showAddTag && (
+        <button onClick={() => setShowAddTag(true)}>Add Tag</button>
+      )}
+      {showAddTag && (
+        <div>
+          <label htmlFor="newTagName">New Tag Name</label>
+          <input
+            type="text"
+            id="newTagName"
+            value={newTagName}
+            onChange={(e) => setNewTagName(e.target.value)}
+          />
+          <label htmlFor="newTagDescription">New Tag Description</label>
+          <textarea
+            id="newTagDescription"
+            value={newTagDescription}
+            onChange={(e) => setNewTagDescription(e.target.value)}
+          />
+          <button
+            onClick={() => {
+              fetch("/api/v1/insert_tag", {
+                method: "POST",
+                headers: {
+                  "Content-Type": "application/json",
+                },
+                body: JSON.stringify({
+                  name: newTagName,
+                  description: newTagDescription,
+                }),
+              })
+                .then((res) => res.json())
+                .then((data) => {
+                  if (data.error) {
+                    alert(data.error);
+                  } else {
+                    setNewTagName("");
+                    setNewTagDescription("");
+                    refresh();
+                  }
+                });
+            }}
+          >
+            Create Tag
+          </button>
+        </div>
+      )}
+    </div>
+  );
+}
+
+export default Tags;