From ea5c8acb2f64b43a3101c05e0773e5cb175a9bfd Mon Sep 17 00:00:00 2001
From: Ruben van de Ven <git@rubenvandeven.com>
Date: Fri, 8 Nov 2019 11:30:49 +0100
Subject: [PATCH] Tool to fix error in story file

---
 hugvey/tools.py | 57 +++++++++++++++++++++++++++++++++++++++++++++++++
 tools.py        | 10 ++++++++-
 2 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/hugvey/tools.py b/hugvey/tools.py
index 36fa711..9afe7af 100644
--- a/hugvey/tools.py
+++ b/hugvey/tools.py
@@ -6,6 +6,28 @@ from hugvey.voice import VoiceStorage
 
 logger = logging.getLogger('toolbox')
 
+# From https://stackoverflow.com/a/1165552
+class DictDiffer(object):
+    """
+    Calculate the difference between two dictionaries as:
+    (1) items added
+    (2) items removed
+    (3) keys same in both but changed values
+    (4) keys same in both and unchanged values
+    """
+    def __init__(self, current_dict, past_dict):
+        self.current_dict, self.past_dict = current_dict, past_dict
+        self.set_current, self.set_past = set(current_dict.keys()), set(past_dict.keys())
+        self.intersect = self.set_current.intersection(self.set_past)
+    def added(self):
+        return self.set_current - self.intersect 
+    def removed(self):
+        return self.set_past - self.intersect 
+    def changed(self):
+        return set(o for o in self.intersect if self.past_dict[o] != self.current_dict[o])
+    def unchanged(self):
+        return set(o for o in self.intersect if self.past_dict[o] == self.current_dict[o])
+
 class Toolbox:
     def __init__(self, configFile):
         self.languageFiles = {}
@@ -96,4 +118,39 @@ class Toolbox:
         logger.info("{} files missing".format(len(missingFiles)))
                 
     
+    def fix_story_file(self, lang_code):
+        if lang_code not in self.languages.keys():
+            logger.critical("Invalid langauge code")
+            logger.warn(f"Valid codes are {' '.join(self.languages.keys())}")
+            return
+        
+        
+        filename = os.path.join(self.config['web']['files_dir'],self.languageFiles[lang_code])
+        story = self.languages[lang_code]
+        
+        beginnings = [item for item in story if 'beginning' in item and item['beginning'] is True]
+        if len(beginnings) < 1:
+            logger.critical("No beginning set")
+        if len(beginnings) > 1:
+            logger.critical(f"{len(beginnings)} beginning messages configured. Set only one")
+        
+        itemsPerId = {item['@id']: item for item in story}
+        
+        for i, item in enumerate(story):
+            if item['@type'] == 'Direction':
+                if type(item['source']) == dict:
+                    logger.warn(f"Fixing broken direction {item['@id']}, please check if everything still works!")
+                    validMsg = itemsPerId[item['source']['@id']]
+                    diff = DictDiffer(item['source'], validMsg)
+                    if diff.changed() or diff.added() or diff.removed():
+                        logger.warn("Changes found between messages")
+                        logger.warn(f"Changed: {list(diff.changed())} Keys that will be remove: {list(diff.added())} Keys that will be added: {list(diff.removed())}")
+                        logger.info(f"Direction pointed to {item['source']}")
+                        logger.info(f"Will now point to {validMsg}")
+                    item['source'] = item['source']['@id']
+        
+        with open(filename, 'w') as fp:
+            json.dump(story, fp, indent=2)
+            logger.info(f"Wrote to {filename}")
+        
         
diff --git a/tools.py b/tools.py
index 7c26bfa..db712fc 100644
--- a/tools.py
+++ b/tools.py
@@ -20,6 +20,13 @@ if __name__ == '__main__':
             action='store_true',
             help="Add/remove new & unused file"
         )
+    
+    argParser.add_argument(
+            '--story',
+            default=None,
+            help="Find/restore issues with the story file",
+            metavar="LANG_CODE"
+        )
 
     args = argParser.parse_args()
 
@@ -35,4 +42,5 @@ if __name__ == '__main__':
     if args.files:
         logger.info("Filenames")
         tools.clean_audio_files()
-    
\ No newline at end of file
+    if args.story:
+        tools.fix_story_file(args.story)
\ No newline at end of file