ui: Working on works

ui/src/lib/works.js

@@ -0,0 +1,108 @@
+export class Work {
+  constructor(res) {
+    this.kind = "w";
+    if (res) {
+      this.update(res);
+    }
+  }
+
+  update({ id, title, promo, group, shown, submission_url, corrected, start_availability, end_availability }) {
+    this.id = id;
+    this.title = title;
+    this.promo = promo;
+    this.group = group;
+    this.shown = shown;
+    this.submission_url = submission_url;
+    this.corrected = corrected;
+    if (this.start_availability != start_availability) {
+      this.start_availability = start_availability;
+      delete this.__start_availability;
+    }
+    if (this.end_availability != end_availability) {
+      this.end_availability = end_availability;
+      delete this.__end_availability;
+    }
+  }
+
+  startAvailability() {
+    if (!this.__start_availability) {
+      this.__start_availability = new Date(this.start_availability)
+    }
+    return this.__start_availability
+  }
+
+  endAvailability() {
+    if (!this.__end_availability) {
+      this.__end_availability = new Date(this.end_availability)
+    }
+    return this.__end_availability
+  }
+
+  isFinished() {
+    return this.endAvailability() < new Date();
+  }
+
+  async save() {
+    const res = await fetch(this.id?`api/works/${this.id}`:'api/works', {
+      method: this.id?'PUT':'POST',
+      headers: {'Accept': 'application/json'},
+      body: JSON.stringify(this),
+    });
+    if (res.status == 200) {
+      const data = await res.json()
+      this.update(data);
+      return data;
+    } else {
+      throw new Error((await res.json()).errmsg);
+    }
+  }
+
+  async duplicate() {
+    if (this.id) {
+      const oldSurveyId = this.id;
+      delete this.id;
+      const res = await fetch(`api/works`, {
+        method: 'POST',
+        headers: {'Accept': 'application/json'},
+        body: JSON.stringify(this),
+      });
+      if (res.status == 200) {
+        return await res.json();
+      } else {
+        throw new Error((await res.json()).errmsg);
+      }
+    }
+  }
+
+  async delete() {
+    if (this.id) {
+      const res = await fetch(`api/works/${this.id}`, {
+        method: 'DELETE',
+        headers: {'Accept': 'application/json'},
+      });
+      if (res.status == 200) {
+        return true;
+      } else {
+        throw new Error((await res.json()).errmsg);
+      }
+    }
+  }
+}
+
+export async function getWorks() {
+  const res = await fetch(`api/works`, {headers: {'Accept': 'application/json'}})
+  if (res.status == 200) {
+    return (await res.json()).map((s) => new Work(s));
+  } else {
+    throw new Error((await res.json()).errmsg);
+  }
+}
+
+export async function getWork(wid) {
+  const res = await fetch(`api/works/${wid}`, {headers: {'Accept': 'application/json'}})
+  if (res.status == 200) {
+    return new Work(await res.json());
+  } else {
+    throw new Error((await res.json()).errmsg);
+  }
+}