server-ts: Convert routes/api/stats

src/routes/api/stats.ts

@@ -0,0 +1,51 @@
+import sql = require('../../services/sql');
+import becca = require('../../becca/becca');
+import { Request } from 'express';
+
+function getNoteSize(req: Request) {
+    const {noteId} = req.params;
+
+    const blobSizes = sql.getMap<string, number>(`
+        SELECT blobs.blobId, LENGTH(content)
+        FROM blobs
+        LEFT JOIN notes ON notes.blobId = blobs.blobId AND notes.noteId = ? AND notes.isDeleted = 0
+        LEFT JOIN attachments ON attachments.blobId = blobs.blobId AND attachments.ownerId = ? AND attachments.isDeleted = 0
+        LEFT JOIN revisions ON revisions.blobId = blobs.blobId AND revisions.noteId = ?
+        WHERE notes.noteId IS NOT NULL 
+           OR attachments.attachmentId IS NOT NULL
+           OR revisions.revisionId IS NOT NULL`, [noteId, noteId, noteId]);
+
+    const noteSize = Object.values(blobSizes).reduce((acc, blobSize) => acc + blobSize, 0);
+
+    return {
+        noteSize
+    };
+}
+
+function getSubtreeSize(req: Request) {
+    const note = becca.getNoteOrThrow(req.params.noteId);
+
+    const subTreeNoteIds = note.getSubtreeNoteIds();
+
+    sql.fillParamList(subTreeNoteIds);
+
+    const blobSizes = sql.getMap<string, number>(`
+        SELECT blobs.blobId, LENGTH(content)
+        FROM param_list
+        JOIN notes ON notes.noteId = param_list.paramId AND notes.isDeleted = 0
+        LEFT JOIN attachments ON attachments.ownerId = param_list.paramId AND attachments.isDeleted = 0
+        LEFT JOIN revisions ON revisions.noteId = param_list.paramId
+        JOIN blobs ON blobs.blobId = notes.blobId OR blobs.blobId = attachments.blobId OR blobs.blobId = revisions.blobId`);
+
+    const subTreeSize = Object.values(blobSizes).reduce((acc, blobSize) => acc + blobSize, 0);
+
+    return {
+        subTreeSize,
+        subTreeNoteCount: subTreeNoteIds.length
+    };
+}
+
+export = {
+    getNoteSize,
+    getSubtreeSize
+};