api: add basic (local) database api using storage

packages/core/api/database.js

@@ -0,0 +1,87 @@
+import Storage from "../helpers/storage";
+
+class Database {
+  constructor(storage) {
+    this.storage = new Storage(storage);
+    this.notes = {};
+  }
+
+  /**
+   * Get all notes from the database
+   */
+  async getNotes() {
+    //update our cache
+    this.notes = await this.storage.read("notes");
+    return this.notes;
+  }
+
+  /**
+   * Adds or updates the note in the database
+   * @param {object} note The note to add or update
+   */
+  async addNote(note) {
+    if (!note || !note.content || note.content.length <= 0) return undefined;
+
+    let timestamp = note.dateCreated || Date.now();
+    //add or update a note into the database
+    let title =
+      note.title ||
+      note.content.text
+        .split(" ")
+        .slice(0, 3)
+        .join(" ");
+    this.notes[timestamp] = {
+      title,
+      content: note.content,
+      pinned: note.pinned || false,
+      tags: note.tags || [],
+      notebooks: note.notebooks || [],
+      colors: note.colors || [],
+      favorite: note.favorite || false,
+      headline: note.content.text.substring(0, 60),
+      length: note.content.text.length,
+      dateEditted: Date.now(),
+      dateCreated: timestamp
+    };
+    await this.storage.write("notes", this.notes);
+    return timestamp;
+  }
+
+  /**
+   * Deletes one or more notes from the database
+   * @param {array} notes the notes to be deleted
+   */
+  async deleteNotes(notes) {
+    if (!notes || notes.length <= 0 || !this.notes || this.notes.length <= 0)
+      return;
+    for (note of notes) {
+      if (this.notes.hasOwnProperty(note.dateCreated)) {
+        delete this.notes[note.dateCreated];
+      }
+    }
+    await this.storage.write("notes", this.notes);
+  }
+
+  /**
+   * Gets a note from the database
+   * @param {string} id the id of the note (must be a timestamp)
+   */
+  getNote(id) {
+    if (this.notes.hasOwnProperty(id)) {
+      return this.notes[id];
+    }
+  }
+
+  //Notebooks
+  getNotebooks() {}
+  getNotebook() {}
+  addNotebook() {}
+
+  // Lists
+  getLists() {}
+  getList() {}
+  addList() {}
+  deleteLists() {}
+}
+
+export default Database;