Updated the routes and finished the ones

specified in the requirements.

poem_server/app/views.py

@@ -16,7 +16,7 @@ def get_line_about_topic(params):
         raise NotFound("No lines with that topic")
     
 @route_get('lines/rhyme', args={'rhyme': str})
-def get_line_about_topic(params):
+def get_line_with_rhyme(params):
     try:
         line = Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random()
         return {'lines' : line, 'rhyme': params['rhyme']}
@@ -31,14 +31,30 @@ def get_random_couplet(params):
         if line.rhyming_lines().count() > 0:
             flag = False
     rhyming_line = line.rhyming_lines().random()
-    return {'couple' : line + '\n' + rhyming_line}
+    return {'couplet' : [line, rhyming_line]}
 
 @route_get('/couplets/about', args={'topic' : str})
 def get_couplet_about_topic(params):
     flag = True
     while flag:
-        line = Line.objects.random()
+        try:
+            line = Line.objects.filter(clean_text__contains=params['topic']).random()
+        except Line.DoesNotExist:
+            raise NotFound("No lines with that topic")
         if line.rhyming_lines().count() > 0:
             flag = False
     rhyming_line = line.rhyming_lines().random()
-    return {'couplet' : [line, rhyming_line]}
+    return {'couplet' : [line, rhyming_line], 'topic': params['topic']}
+
+@route_get('/couplets/rhyme', args={'rhyme' : str})
+def get_couplet_with_rhyme(params):
+    flag = True
+    while flag:
+        try:
+            line = Rhyme.get_rhyme_for_word(params['rhyme']).lines.exclude(clean_text__endswith=params['rhyme']).random()
+        except Line.DoesNotExist:
+            raise NotFound("No lines with that rhyme")
+        if line.rhyming_lines().count() > 0:
+            flag = False
+    rhyming_line = line.rhyming_lines().random()
+    return {'couplet' : [line, rhyming_line], 'rhyme' : params['rhyme']}