yaparlareddy · July 17, 2020 02:00 · Jul 17, 2020
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,51 @@
+from flask import Flask, request, jsonify
+import redis
+
+Redis = redis.StrictRedis(host='localhost', port=6379, db=0, charset="utf-8", decode_responses=True)
+
+app = Flask(__name__)
+
+
+@app.route("/")
+def root():
+    return "Hello world!"
+
+
+@app.route("/add_word/word=<word>")
+def insert(word):
+    word = word.strip()
+    for index in range(1, len(word)):
+        substring = word[0:index]
+        Redis.zadd("database2", {substring: 0})
+        print(substring)
+    Redis.zadd("database2", {(word + '*'): 0})
+
+    return "add word"
+
+
+@app.route("/autocomplete/query=<word>")
+def find(word):
+    word = word.strip()
+    autocompleted_words = []
+    starting_index = Redis.zrank("database2", word)
+    if not starting_index:
+        return []
+
+    range = Redis.zrange("database2", starting_index, -1)
+    if len(range) == 0 or not range:
+        return []
+    data: object
+    for data in range:
+        print(data)
+        min_len = min(len(data), len(word))
+        if data[0:min_len] != word[0:min_len]:
+            return  jsonify(autocompleted_words)
+            break
+        if len(data) > 1 and data[-1] == '*':
+            autocompleted_words.append(data[0:-1])
+    print(autocompleted_words)
+    return jsonify(autocompleted_words)
+
+
+if __name__ == "__main__":
+    app.run(debug=True, use_reloader=True)