Handle tracks

ui/src/lib/track.js

@@ -0,0 +1,65 @@
+export class Track {
+  constructor(res) {
+    if (res) {
+      this.update(res);
+    }
+  }
+
+  update({ id, name, path, enabled }) {
+    this.id = id;
+    this.name = name;
+    this.path = path;
+    this.enabled = enabled;
+  }
+
+  async delete() {
+    const res = await fetch(`api/tracks/${this.id}`, {
+      method: 'DELETE',
+      headers: {'Accept': 'application/json'}
+    });
+    if (res.status == 200) {
+      return true;
+    } else {
+      throw new Error((await res.json()).errmsg);
+    }
+  }
+
+  toggleEnable() {
+    this.enabled = !this.enabled;
+    this.save();
+    return this;
+  }
+
+  async save() {
+    const res = await fetch(this.id?`api/tracks/${this.id}`:'api/tracks', {
+      method: this.id?'PUT':'POST',
+      headers: {'Accept': 'application/json'},
+      body: JSON.stringify(this),
+    });
+    if (res.status == 200) {
+      const data = await res.json();
+      this.update(data);
+      return data;
+    } else {
+      throw new Error((await res.json()).errmsg);
+    }
+  }
+}
+
+export async function getTracks() {
+  const res = await fetch(`api/tracks`, {headers: {'Accept': 'application/json'}})
+  if (res.status == 200) {
+    return (await res.json()).map((t) => new Track(t));
+  } else {
+    throw new Error((await res.json()).errmsg);
+  }
+}
+
+export async function getTrack(tid) {
+  const res = await fetch(`api/tracks/${tid}`, {headers: {'Accept': 'application/json'}})
+  if (res.status == 200) {
+    return new Track(await res.json());
+  } else {
+    throw new Error((await res.json()).errmsg);
+  }
+}