Add most of the export logic

Signed-off-by: Timur Demin <me@tdem.in>

scarlet_export/notable.py

@@ -1,8 +1,36 @@
+from datetime import datetime
+from json import loads
+
 def exportNotes(inputJson, outputDir):
     """
     Exports the notes from Scarlet Notes to Notable.
 
     @param inputJson: an object generated with `json.load()`
     @param outputDir: output directory name
     """
-    pass
+    for note in inputJson['notes']:
+        # color is not available in Notable, so it's not preserved
+        # the metadata Notable uses is just YAML front matter
+        if note['folder'] != '':
+            outputFolder = outputDir + '/' + note['folder']
+        else:
+            outputFolder = outputDir
+        outputFileName = outputFolder + '/' + note['uuid'] + '.md'
+        tags = '[{0}]'.format(note['tags'])
+        timestamp = int(note['timestamp'])
+        updateTimestamp = int(note['updateTimestamp'])
+        created = datetime.utcfromtimestamp(timestamp)
+        modified = datetime.utcfromtimestamp(updateTimestamp)
+        with open(outputFileName) as output:
+            # print YAML front matter first, then dump the note content
+            output.write('---')
+            output.write('created: {0}'.format(created))
+            output.write('modified: {0}'.format(modified))
+            output.write('tags: {0}'.format(tags))
+            output.write('---')
+            output.write('') # an empty string
+            # dump the note text as well, contained in another
+            # JSON-formatted string
+            noteText = loads(note['description'])['note']['text']
+            output.write(noteText)
+    return