Feature

.gitignore

@@ -73,6 +73,15 @@ target/
 # pyenv
 .python-version
 
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
 # celery beat schedule file
 celerybeat-schedule
 
@@ -101,4 +110,4 @@ ENV/
 .mypy_cache/
 
 # pycharm files
-.idea/
+.idea/

data_handler.py

@@ -0,0 +1,101 @@
+import os
+import database_manager
+
+ANSWER_FILE_PATH = 'sample_data/answer.csv'
+QUESTION_FILE_PATH = 'sample_data/question.csv'
+IMAGE_UPLOAD_PATH = "static/images"
+ALLOWED_IMAGE_TYPE = ["PNG", "JPG"]
+ROOT_PATH = 'static/images'
+
+
+def sort_data(list_of_dicts, order_by, order_direction):
+    converted_list = convert_numbers_in_list_to_int(list_of_dicts)
+    sorted_list_of_dicts = sorted(converted_list, key=lambda item: item[order_by],
+                                  reverse=True if order_direction == 'desc' else False)
+    return sorted_list_of_dicts
+
+
+def convert_numbers_in_list_to_int(all_data):
+    for i in range(len(all_data)):
+        all_data[i]['vote_number'] = int(all_data[i]['vote_number'])
+        try:
+            all_data[i]['view_number'] = int(all_data[i]['view_number'])
+        except KeyError:
+            continue
+    return all_data
+
+
+def allowed_image(filename):
+    if not "." in filename:
+        return False
+    ext = filename.rsplit(".", 1)[1]
+    if ext.upper() in ALLOWED_IMAGE_TYPE:
+        return True
+    else:
+        return False
+
+
+def get_image_path_for_question_by_id(question_id):
+    delete_file = []
+    question = database_manager.get_question_by_id(question_id)
+    answers_by_question = database_manager.get_all_answer_by_question_id_sorted(question_id)
+    delete_file.append(question[0]['image'])
+    for answer in answers_by_question:
+        delete_file.append(answer['image'])
+    return delete_file
+
+
+def get_image_path_for_answer_by_id(answer_id):
+    answer = database_manager.get_answer_by_id(answer_id)
+    return answer[0]['image']
+
+
+def delete_image_by_id(id, answer=False):
+    try:
+        if answer:
+            path = get_image_path_for_answer_by_id(id)
+            os.remove(path)
+        else:
+            path = get_image_path_for_question_by_id(id)
+            for file in path:
+                os.remove(file)
+    except:
+        pass
+
+
+def apostroph_change(text):
+    change = ('title', 'message', 'name')
+    new_text = text
+    for column in change:
+        try:
+            new_text[column] = text[column].replace('\'', '\"')
+        except:
+            continue
+    return new_text
+
+def search_highlight(text, search_word):
+    change = ('title', 'message', 'name')
+    new_text = text
+    for element_index in range(len(text)):
+        for column in change:
+            try:
+                new_text[element_index][column] = text[element_index][column].replace(f'{search_word}', f'<b>{search_word}</b>')
+            except:
+                continue
+    return new_text
+
+def remove_from_list(questions):
+    remove = []
+    for index in range(len(questions)):
+        if questions[index]['id'] is None:
+            remove.append(questions[index])
+    for element in remove:
+        questions.remove(element)
+    return questions
+
+def tag_duplicate_check(tag):
+    all_tag = database_manager.all_tag_name()
+    for element in all_tag:
+        if element['name'] == tag:
+            return True
+    return False

database/ask_mate_database.sql

@@ -0,0 +1,42 @@
+DROP TABLE IF EXISTS question;
+DROP TABLE IF EXISTS answer;
+DROP TABLE IF EXISTS comment;
+DROP TABLE IF EXISTS question_tag;
+DROP TABLE IF EXISTS tag_;
+
+CREATE TABLE question (
+    id SERIAL PRIMARY KEY,
+    submission_time integer NOT NULL,
+    view_number integer,
+    vote_number integer,
+    title character varying(2550),
+    message character varying(2550) NOT NULL,
+    image character varying(2550)
+);
+
+CREATE TABLE answer (
+    id SERIAL PRIMARY KEY,
+    submission_time character varying(255) NOT NULL,
+    vote_number integer,
+    question_id integer,
+    message character varying(255) NOT NULL,
+    image character varying(255)
+);
+
+CREATE TABLE comment (
+    id SERIAL PRIMARY KEY,
+    question_id integer,
+    answer_id integer,
+    message character varying(255) NOT NULL,
+    submission_time character varying(255) NOT NULL,
+    edited_number integer
+);
+
+INSERT INTO question VALUES
+    (0, 1493368154, 29, 7, 'How to make lists in Python?', 'I am totally new to this, any hints?', NULL),
+    (1, 1493068124, 15, 9, 'Wordpress loading multiple jQuery Versions', 'I developed a plugin that uses the jquery booklet plugin (http://builtbywill.com/booklet/#/) this plugin binds a function to $ so I cann call $(''.myBook'').booklet() I could easy managing the loading order with wp_enqueue_script so first I load jquery then I load booklet so everything is fine. BUT in my theme i also using jquery via webpack so the loading order is now following: jquery booklet app.js (bundled file with webpack, including jquery)', 'images/image1.png'),
+    (2, 1493015432, 1364, 57, 'Drawing canvas with an image picked with Cordova Camera Plugin', 'I''m getting an image from device and drawing a canvas with filters using Pixi JS. It works all well using computer to get an image. But when I''m on IOS, it throws errors such as cross origin issue, or that I''m trying to use an unknown format. This is the code I''m using to draw the image (that works on web/desktop but not cordova built ios app)', NULL);
+
+INSERT INTO answer VALUES
+    (0, 1493398154, 5, 0, 'You need to use brackets: my_list = []'),
+    (1, 1493088154, 35, 0, 'Look it up in the Python docs');

database_common.py

@@ -0,0 +1,46 @@
+import os
+import psycopg2
+import psycopg2.extras
+from psycopg2 import sql
+
+
+def get_connection_string():
+    user_name = os.environ.get('PSQL_USER_NAME')
+    password = os.environ.get('PSQL_PASSWORD')
+    host = os.environ.get('PSQL_HOST')
+    database_name = os.environ.get('PSQL_DB_NAME')
+
+    env_variables_defined = user_name and password and host and database_name
+
+    if env_variables_defined:
+        return 'postgresql://{user_name}:{password}@{host}/{database_name}'.format(
+            user_name=user_name,
+            password=password,
+            host=host,
+            database_name=database_name
+        )
+    else:
+        raise KeyError('Some necessary environment variable(s) are not defined')
+
+
+def open_database():
+    try:
+        connection_string = get_connection_string()
+        connection = psycopg2.connect(connection_string)
+        connection.autocommit = True
+    except psycopg2.DatabaseError as exception:
+        print('Database connection problem')
+        raise exception
+    return connection
+
+
+def connection_handler(function):
+    def wrapper(*args, **kwargs):
+        connection = open_database()
+        dict_cur = connection.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+        ret_value = function(dict_cur, *args, **kwargs)
+        dict_cur.close()
+        connection.close()
+        return ret_value
+
+    return wrapper