started database abstractions for new data structures

src/models/database/notegroups.js

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+import {BaseDatabase} from './baseDatabase';
+import {Logger} from '../logger';
+
+export class NoteGroupTools extends BaseDatabase {
+
+}

src/models/database/notes.js

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+import {BaseDatabase} from './baseDatabase';
+import {Logger} from '../logger';
+
+export class NoteTools extends BaseDatabase {
+
+}

src/models/database/permalinks.js

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+import Sequelize from 'sequelize';
+
+import {BaseDatabase} from './baseDatabase';
+import {Logger} from '../logger';
+
+export class PermaLinkTools extends BaseDatabase {
+    static async listAll() {
+        let PermaNote = BaseDatabase.PermaNote;
+        return PermaNote.findAll();
+    }
+
+    static async newNote(uid, endpoint, text, id) {
+        let PermaNote = BaseDatabase.PermaNote;
+
+        try {
+            let note = await PermaNote.create({
+                id: id,
+                endpoint: endpoint,
+                text: text,
+                creatorid: id
+            });
+            return note;
+        } catch (e) {
+            Logger.error(`An error occured while inserting user a note with the endpoint ${endpoint} into permanote table: ${e}`);
+            return -1;
+        }
+    }
+
+    static async getNoteByUID(id) {
+        let PermaNote = BaseDatabase.PermaNote;
+
+        try {
+            let note = await PermaNote.findOne({where: {id: id}});
+            if (note == null) return -1;
+            return note;
+        } catch (e) {
+            Logger.error(`An error occured while querying for a permanote by uid ${id}: ${e}`);
+            return -1;
+        }
+    }
+
+    static async getNoteByEndpoint(endpoint) {
+        let PermaNote = BaseDatabase.PermaNote;
+
+        try {
+            let note = await PermaNote.findOne({where: {endpoint: endpoint}});
+            if (note == null) return -1;
+            return note;
+        } catch (e) {
+            Logger.error(`An error occured while querying for a permanote by endpoint ${endpoint}: ${e}`);
+            return -1;
+        }
+    }
+}