Finished implementations of paths/routes.

poem_server/app/views.py

@@ -6,3 +6,76 @@ from random import choice, sample
 @route_get('lines/random', args={})
 def get_random_line(params):
     return {'line': Line.objects.random().text}
+
+@route_get('lines/about', args={'topic':str}) #done
+def get_line_topic(params):
+    try:
+        topic = params['topic']
+        foundline = Line.objects.filter(clean_text__contains=topic).random().text
+        return {'line':foundline,'topic':topic}
+    except Line.DoesNotExist:
+        raise NotFound("No line with this topic can be found.")
+    
+@route_get('lines/rhyme', args={'word':str}) #done
+def get_line_rhyme(params):
+    try:
+        word = params['word']
+        foundline = Rhyme.get_rhyme_for_word(word).lines.exclude(clean_text__endswith=" "+word).random().text
+        return {'line':foundline,'word':word}
+    except Rhyme.DoesNotExist:
+        raise NotFound("No line that rhymes with this word can be found.")
+
+@route_get('couplets/random', args={}) #done
+def get_rhyming_couplet(params):
+    line = Line.objects.random()
+    if line.rhyming_lines().count() != 0:
+        rhymedline = line.rhyming_lines().random().text
+        couplet = [line.text,rhymedline]
+        return {"line":couplet}
+    else:
+        return get_rhyming_couplet() #my idea here is that if the random line I pick has no lines that rhyme with it, the function will start over and pick a new random line
+
+def pick_new_line_with_rhyme(word):  #i added this helper function so I could do some recursion and avoid getting lines that don't have rhymes
+    line = Line.objects.filter(clean_text__contains=word).random()
+    if line.rhyming_lines() == []:
+        line = pick_new_line_with_rhyme(word)
+    return line
+
+@route_get('couplets/about', args={'topic':str}) #done (sometimes will return a false NotFound error when there is in fact a line with that topic?)
+def get_rhyming_couplet_about(params):
+    try:
+        word = params['topic']
+        line = Line.objects.filter(clean_text__contains=word).random()
+        if line.rhyming_lines() == []:
+            line = pick_new_line_with_rhyme(word)
+        rhymedline = line.rhyming_lines().random().text
+        couplet = [line.text,rhymedline]
+        return {"line":couplet,"topic":word}
+    except Line.DoesNotExist:
+        raise NotFound("No line with that topic exists.")
+
+@route_get('couplets/rhyme', args={'word':str}) #done
+def get_rhyming_couplet_for_word(params):
+    word = params['word']
+    line1 = Rhyme.get_rhyme_for_word(word).lines.exclude(clean_text__endswith=" "+word).random()
+    line2 = line1.rhyming_lines().random()
+    return {"line":[line1.text,line2.text],'word':word}
+
+def find_line_with_lastword(): #helper function for recursion
+    line1 = Line.objects.random()
+    lastword = line1.last_word()
+    try:
+        line2 = Line.objects.filter(clean_text__contains=lastword).random()
+        return [line1.text,line2.text],lastword
+    except Line.DoesNotExist:
+        return find_line_with_lastword()
+
+#this will return a random couplet where the second line includes the last word of the first line
+@route_get('couplets/includes_lastword', args={}) #done
+def get_includes_lastword(params):
+    newtuple = find_line_with_lastword()
+    couplet = newtuple[0]
+    lastword = newtuple[1]
+    return {"lines":couplet, "lastword":lastword}
+
+