Create API for use by other applications.

webapp/.gitignore

@@ -0,0 +1,7 @@
+*.json.gz
+*.txt
+*.index
+*.model
+*.projection
+*.mm
+*.dict

webapp/app.py

@@ -5,7 +5,7 @@
 import re
 import os
 
-from flask import Flask, render_template, redirect, request, Response
+from flask import Flask, render_template, redirect, request, Response, abort
 app = Flask(__name__)
 
 from gensim import corpora, models, similarities
@@ -32,17 +32,21 @@ def hashed_url_for_static_file(endpoint, values):
             param_name = 'h'
             while param_name in values:
                 param_name = '_' + param_name
-            values[param_name] = static_file_hash(os.path.join(static_folder, filename))
+            values[param_name] = static_file_hash(
+                os.path.join(static_folder, filename))
+
 
 def static_file_hash(filename):
-  return int(os.stat(filename).st_mtime)
+    return int(os.stat(filename).st_mtime)
+
+# Routes
 
-## Routes
 
 @app.template_filter('mana')
 def manafy(s):
     return re.sub('[{}\s]+', '', s or '')
 
+
 @app.template_filter('params')
 def params(d):
     def vals():
@@ -53,8 +57,70 @@ def vals():
     return '&' + s if s else ''
 
 
+def request_context(request):
+    """Extract context from request args."""
+    context = {}
+    N = 10
+
+    try:
+        page = int(request.args.get('page'))
+    except (TypeError, ValueError):
+        page = 1
+    context['page'] = page
+    offset = N * (page - 1)
+
+    filters = {}
+    if request.args.get('ci'):
+        filters['ci'] = request.args.getlist('ci')
+    if filters:
+        context['filters'] = filters
+
+    card_name = request.args.get('card')
+    card_text = request.args.get('text')
+    if card_name:
+        try:
+            context['search_type'] = 'card'
+            target_card = sim.get_card_by_name(card_name)
+            context['target_card'] = target_card
+            app.logger.debug('%s: %s' % (card_name, tokenize(target_card)))
+            context['similar_cards'] = sim.get_similar_cards(
+                card_name, N, offset, filters)
+        except Exception as e:
+            if app.debug:
+                raise e
+            msg = 'Card name not found. Please try again.'
+            return render_template('home.html',  error=msg), 404
+
+    elif card_text:
+        context['search_type'] = 'text'
+        try:
+            context['target_card'] = {'name': card_text}
+            context['similar_cards'] = sim.text_search_similar_cards(
+                card_text, N, offset, filters)
+        except Exception as e:
+            if app.debug:
+                raise e
+            msg = ('Unable to search related cards.'
+                   ' Try rephrasing or expanding your query.')
+            return render_template('home.html',  error=msg), 404
+    return context
+
+
 @app.route('/')
 def home():
+
+    try:
+        return render_template('home.html', **request_context(request))
+    except KeyError:
+        msg = 'Card name not found. Please try again.'
+        return render_template('home.html', error=msg), 404
+    except Exception as e:
+        if app.debug:
+            raise e
+        msg = ('Unable to search related cards.'
+               ' Try rephrasing or expanding your query.')
+        return render_template('home.html', error=msg), 404
+
     context = {}
     N = 10
 
@@ -102,6 +168,16 @@ def home():
 
     return render_template('home.html', **context)
 
+
+@app.route("/api/")
+def api_search():
+    try:
+
+        return json.dumps(request_context(request))
+    except KeyError:
+        abort(404)
+
+
 @app.route('/random')
 def random_card():
     card = random.choice(sim.cards)

webapp/templates/home.html

@@ -54,7 +54,7 @@ <h1 class="heading">Card Codex</h1>
   <div class="card-title">
     <h2 class="card-name">{{target_card.name}}</h2>
     <ul class="card-links list-inline">
-      <li><a href="https://scryfall.com/search?q=!{{target_card.name | urlencode}}">Scryfall</a></li>
+      <li><a href="https://scryfall.com/search?q={{target_card.name | urlencode}}">Scryfall</a></li>
     </ul>
   </div>
   <p>{{target_card.manaCost | mana}} &middot; {{target_card.type}}</p>