580 lines
22 KiB
Python
580 lines
22 KiB
Python
import sys
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import json
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import random
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import base64
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from flask import Flask, redirect, url_for, request, session, make_response, jsonify, send_from_directory
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from flask import render_template
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from flask_sqlalchemy import SQLAlchemy
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from sqlalchemy import Integer, String, Column
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from datetime import datetime
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import uuid
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy import inspect
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from sqlalchemy.orm import DeclarativeBase
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random_order = True
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# activate environment: cd C:\Users\Jan\Google Drive\Master Stuff\Code\SLAEForms Testing\.venv\Scripts\
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# then this: activate
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#SETUP--------------------------------------------------
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#Set up sqlalchemy
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class Base(DeclarativeBase):
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pass
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db = SQLAlchemy(model_class=Base)
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#create the app
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app = Flask(__name__)
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# configure the database, give it a path (it will be in the instances folder)
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app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///database.db"
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db.init_app(app)
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#set the secret key (TODO change this for final deployment)
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app.secret_key = b"29fe9e8edd407c5491d4f1c05632d9fa33e26ed8734a3f5e080ebac3772a555a"
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#---------testing JSON Stuff
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#open the json file with the config
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testconfigfile = open("singleformconfig.json")
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#convert it to dict
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testconfig = json.load(testconfigfile)
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testconfigfile.close()
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# get the questions: Questions is a list that contains the keys of the dictionary
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questions = list(testconfig)
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#------------------------------------------------------------------------
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# Setting up DB Models, response -> should be removed eventually and replaced by json files and automatic generation ----------------------------
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# create the model for the response table
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class Response(db.Model):
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id = db.Column("id",db.UUID(as_uuid=True), primary_key=True, nullable=False)
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user_id = db.Column("user_id",db.UUID(as_uuid=True), nullable=False)
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question_title = db.Column("question_title",db.String(30))
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likert_result = db.Column("likert_result",db.Integer, nullable=False)
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notes = db.Column("notes",db.String(200))
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date_created = db.Column("date_created",db.DateTime)
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def __repr__(self) -> str:
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return "<Response %r>" % self.id
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# This table is always created
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class User(db.Model):
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user_id = db.Column("user_id",db.UUID(as_uuid=True), primary_key=True, nullable=False)
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device_id = db.Column("device_id",db.UUID(as_uuid=True), nullable=False)
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question_order = db.Column("question_order",db.String(60))
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date_created = db.Column("date_created",db.DateTime, default=datetime.today()) # todo test if this default works
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def __repr__(self) -> str:
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return "<User %r>" % self.user_id
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# create the table (existing tables are not overwritten)
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try:
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with app.app_context():
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db.create_all()
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except SQLAlchemyError as e:
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print("Error occurred during database creation:", str(e))
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# -------Testing the actual final form from json------------------------------------------------
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#open the json file with the config
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configfile = open("default.json") #todo replace with other name
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#convert it to dict
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config = json.load(configfile)
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configfile.close()
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db_tables = {} # contains all dynamically created tables, key = table/classname
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#TODO insert code to create all tables
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def create_json_tables():
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print(config)
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for block_key, block_content in config.items():
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if "database_table" in block_content:
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print("debug")
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if not (block_content["database_table"]["table_name"] in db_tables):
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print("New table: \n {table}".format(table=block_content["database_table"]["table_name"]))
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db_tables[block_content["database_table"]["table_name"]]=create_model_class(block_content["database_table"])
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print("created table: {table}".format(table=db_tables[block_content["database_table"]["table_name"]]))
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print("tables in db_tables: \n {db_tables}".format(db_tables=db_tables))
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def create_model_class(schema):
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class_name = schema["table_name"].capitalize()
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print("creating table class: {class_name}".format(class_name=class_name))
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# Define class attributes dynamically
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attributes = {"__tablename__": schema["table_name"]}
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# id as key and date as standard fields
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attributes["id"] = Column("id",db.UUID(as_uuid=True), primary_key=True, nullable=False)
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attributes["user_id"] = Column("user_id",db.UUID(as_uuid=True), primary_key=True, nullable=False)
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attributes["date_created"] = db.Column("date_created",db.DateTime)
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for column_name, column_info in schema["fields"].items():
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if column_info["type"] == "integer":
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column_type = Integer
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elif column_info["type"] == "string":
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column_type = String(int(column_info["size"]))
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attributes[column_name] = Column(column_name,column_type, nullable=column_info["nullable"])
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print("attributes of the table: ",attributes)
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# Create the model class
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return type(class_name, (db.Model,), attributes)
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create_json_tables()
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# create the table (existing tables are not overwritten)
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try:
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print("try to create tables")
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with app.app_context():
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db.create_all()
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print("successfully created all tables")
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except SQLAlchemyError as e:
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print("Error occurred during database creation:", str(e))
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@app.route("/teststart", methods=["GET", "POST"])
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def teststartpage():
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if not "slaeform_device_id" in session:
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# If this device was not seen, remember it.
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new_device_id = uuid.uuid4()
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session["slaeform_device_id"] = new_device_id
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session["agreed_to_tos"] = False
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if request.method == "POST":
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#right now if a user that has an active session goes to the startpage again and accepts tos
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#it will just start another session and discard the previous session
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#config is the dict with the info
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#get the block names
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block_names = config.keys()
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session["block_names"] = list(block_names)
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session["block_order"] = {} # only for templates, for each block the list of keys for stimuli
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session["current_block_index"] = 0
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session["current_stimulus_index"] = 0
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session["current_block_name"] = session["block_names"][session["current_block_index"]]
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session["number_of_blocks"] = len(session["block_names"])
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current_block = config[session["current_block_name"]]
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# if the block has stimuli, get how many
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if "stimuli" in current_block:
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session["number_of_stimuli"] = len(list(current_block["stimuli"]["list"]))
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print("number of blocks: ",len(session["block_names"]))
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print("Startpage post")
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print(session["block_names"])
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for name in block_names:
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if config[name]["type"] == "TaskTemplate":
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match config[name]["stimuli"]["type"]:
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case "single_video":
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order = list(config[name]["stimuli"]["list"]) # order = list of simuli keys
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print("order: ",order)
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if config[name]["stimuli"]["order"] == "random":
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random.shuffle(order) #in random order
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session["block_order"][name] = order
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#save the new user to the database and the session
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session["agreed_to_tos"] = True
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new_user_id = uuid.uuid4()
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session["slaeform_user_id"] = new_user_id
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device_id = session["slaeform_device_id"]
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user_id = new_user_id
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question_order = str(session["block_order"])
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date = datetime.today()
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new_user = User(user_id=user_id, device_id=device_id,question_order=question_order,date_created = date) #,question_order=question_order
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db.session.add(new_user)
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db.session.commit()
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print("block order: {order}".format(order=session["block_order"]))
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try:
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db.session.add(new_user)
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db.session.commit()
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except:
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return "There was a problem while adding the user to the Database"
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return redirect("/jsonform")
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return render_template(
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"teststartpage.html"
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)
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@app.route("/jsonform")
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def jsonform():
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#user is not yet registered and should not be here
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if not "slaeform_user_id" in session:
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return redirect(url_for(teststartpage)) #TODO replace this later with actual startpage
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current_block = config[session["current_block_name"]]
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print("jsonform")
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print("current_block_name: {current_block_name}".format(current_block_name=session["current_block_name"]))
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print("current_block_index: {current_block_order}".format(current_block_order=session["current_block_index"]))
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print("current_stimulus: {current_stimulus}".format(current_stimulus=session["current_stimulus_index"]))
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#print("current Blockname: {blockname}, current block index: {blockindex}, current stim index: {stimulusindex}".format(blockname=session["current_block_name"],
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# blockindex=session["current_block_index"],
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# stimulusindex=session["current_stimulus_index"] ) )
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# erster Fall: SinglePage
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if current_block["type"] == "SinglePage":
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return render_template(current_block["template"])
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# ansonsten, templates:
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current_block_order = session["block_order"][session["current_block_name"]]
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current_block_stimuli = current_block["stimuli"]
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current_stimulus = current_block_order[session["current_stimulus_index"]]
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stimulus_type=current_block["stimuli"]["type"]
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stimulus_configuration = current_block["stimuli"]["configuration"] # dict with the config
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if current_block["type"] == "TaskTemplate":
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print("case: TaskTemplate")
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match stimulus_type:
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case "single_video":
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stimulus_configuration["video_url"] = config[session["current_block_name"]]["stimuli"]["list"][current_stimulus]
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print("-------------videourl: ", stimulus_configuration["video_url"])
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return render_template(
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"standard_template.html",
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stimuli=current_block_stimuli,
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stimulus_type=stimulus_type,
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current_stimulus=current_stimulus,
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stimulus_configuration=stimulus_configuration,
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questions=current_block["questions"]
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)
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return "Error, none of the Blocks triggered"
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@app.route("/send_json", methods=["POST"])
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def sendpage_json():
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print("send_json")
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# Do I need to write to a table at all?
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# I can figure it out by checking if the current block has a database field, that is best
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if not ("database_table" in config[session["current_block_name"]]): #it has no database field, so nothing to receive
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# so just move on
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print("no database table")
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update_session()
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return redirect("/jsonform")
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# now to if it has a database field
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# find out which table we need to write to
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table_name = config[session["current_block_name"]]["database_table"]["table_name"]
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print("Form posted: {rqform}".format(rqform=request.form))
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print("Writing to table: {table_name}".format(table_name=table_name))
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session_user_id = session["slaeform_user_id"]
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new_id = uuid.uuid4()
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date = datetime.today()
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new_entry = db_tables[table_name](id=new_id,user_id = session_user_id,date_created = date)
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for key, value in request.form.items():
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print("hasattr key: ", key)
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if hasattr(new_entry, key):
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print("key exists: ", key)
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setattr(new_entry, key, value)
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print("setattr value: ", value)
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print("entry: ", new_entry)
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try:
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db.session.add(new_entry)
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db.session.commit()
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except Exception as e:
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print("Error occurred: {e}".format(e=str(e)))
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return "There was a problem while adding the response to the Database"
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# Now move to the next stimulus or block
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update_session()
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return redirect("/jsonform")
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def update_session():
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if "stimuli" in config[session["current_block_name"]]:
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# if there are stimuli in this block
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if session["current_stimulus_index"] < session["number_of_stimuli"]-1:
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# if there are still stimuli left, keep going through them
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session["current_stimulus_index"] += 1
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else:
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# if there are no stimuli left..
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if(session["current_block_index"] < session["number_of_blocks"]-1):
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# go to next block if possible
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session["current_block_index"] += 1
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session["current_block_name"] = session["block_names"][session["current_block_index"]]
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session["number_of_stimuli"] = len(list(config[session["current_block_name"]]["list"]))
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session["current_stimulus_index"] = 0
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else:
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# if there arent any stimuli, go to the next block
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session["number_of_stimuli"] = 0
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if(session["current_block_index"] < session["number_of_blocks"]-1):
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session["current_block_index"] += 1
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session["current_block_name"] = session["block_names"][session["current_block_index"]]
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print("---Session updated---")
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print("current_block_index / number_of_blocks: {current_block_index} / {number_of_blocks}".format(current_block_index=session["current_block_index"],number_of_blocks=session["number_of_blocks"]))
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print("current_block_name: ", session["current_block_name"])
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print("current_stimulus_index: ", session["current_stimulus_index"])
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print("Current number_of_stimuli: ", session["number_of_stimuli"])
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# Actual main code for Form etc --------------------------------------------------------------
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@app.route("/video")
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def videopage():
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return render_template(
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#"videorecorder3.html"
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"myvideotemplate.html"
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)
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@app.route("/send_video", methods=["POST"])
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def send_video():
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data_url = request.json['dataUrl']
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data = data_url.split(',')[1]
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with open('video.webm', 'wb') as f:
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f.write(base64.b64decode(data))
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return jsonify({'message': 'Video saved successfully'})
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@app.route("/send", methods=["POST"])
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def sendpage():
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session_user_id = session["slaeform_user_id"]
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likert_score = request.form["likertscale"]
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text_input = request.form["feedback"]
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question_title = session["current_question"]
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new_id = uuid.uuid4()
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date = datetime.today()
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print("new idea: {new_id} ".format(new_id=new_id))
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new_response = Response(id=new_id,user_id = session_user_id, question_title = question_title,likert_result = likert_score,notes = text_input, date_created = date)
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try:
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db.session.add(new_response)
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db.session.commit()
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return redirect("/form")
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except:
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return "There was a problem while adding the response to the Database"
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#TODO this is bugged rn, it will skip to the next question when refreshed.
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#Move the removal of the first element to the send function to fix this
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@app.route("/form", methods=["GET", "POST"])
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def formpage():
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#user is not yet registered and should not be here
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if not "slaeform_user_id" in session:
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return redirect("/start")
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#TODO fill in code that determins at which question the user is
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print("form starts, the sessionorder rn:")
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print(session["question_order"])
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if not session["question_order"]:
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print("---------------question order is empty------------")
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return redirect("/data")
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print("pop the first element")
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current_question = session["question_order"].pop(0)
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session["current_question"] = current_question
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print(current_question)
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print("the new sessionorder rn:")
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print(session["question_order"])
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return render_template(
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"layout2.html",
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config=testconfig,
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current_question = current_question,
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videotype=testconfig[current_question]["type"],
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video_url= testconfig[current_question]["video1"],
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blocks = testconfig[current_question]["blocks"]
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)
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@app.route("/start", methods=["GET", "POST"])
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def startpage():
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if not "slaeform_device_id" in session:
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# If this device was not seen, remember it.
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new_device_id = uuid.uuid4()
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session["slaeform_device_id"] = new_device_id
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session["agreed_to_tos"] = False
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if request.method == "POST":
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#right now if a user that has an active session goes to the startpage again and accepts tos
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#it will just start another session and discard the previous session
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# get a random question order
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if random_order:
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order = questions
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random.shuffle(order)
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else:
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order = questions
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session["question_order"] = order
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#save the new user to the database and the session
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session["agreed_to_tos"] = True
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new_user_id = uuid.uuid4()
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session["slaeform_user_id"] = new_user_id
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device_id = session["slaeform_device_id"]
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user_id = new_user_id
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question_order = str(order)
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date = datetime.today()
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new_user = User(user_id=user_id, device_id=device_id,question_order=question_order,date_created = date) #,question_order=question_order
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db.session.add(new_user)
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db.session.commit()
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return redirect("/form")
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"""
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try:
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db.session.add(new_user)
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db.session.commit()
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return redirect("/form")
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except:
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return "There was a problem while adding the user to the Database" """
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return render_template(
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"startpage.html"
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)
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# Database stuff------------------------------------------------------------------------------
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# the contents of all tables
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@app.route("/table_contents")
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def table_contents():
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meta = db.metadata
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#meta.reflect(db.engine) # Uncomment this to also get the hidden tables, but this crashes rn
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tables = meta.tables.keys()
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table_contents = {}
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#print(tables)
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for table_name in tables:
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table = meta.tables[table_name]
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columns = table.columns.keys()
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#print(table)
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rows = db.session.query(table)
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try:
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rows = rows.all()
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except Exception as e:
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print("Error occurred: {e}".format(e=str(e)))
|
|
print("Values:\n Table = {table}\n Tabletype = {tabletype}\n".format(table=table,tabletype=type(table)))
|
|
|
|
table_contents[table_name] = {
|
|
'columns': columns,
|
|
'rows': rows
|
|
}
|
|
|
|
return render_template(
|
|
"table_contents.html",
|
|
table_contents=table_contents,
|
|
)
|
|
|
|
|
|
|
|
@app.route('/show_tables')
|
|
def show_tables():
|
|
meta = db.metadata
|
|
meta.reflect(db.engine)
|
|
tables = meta.tables
|
|
return render_template('show_tables.html', tables=tables)
|
|
|
|
# Root page -----------------------------
|
|
|
|
def has_no_empty_params(rule):
|
|
defaults = rule.defaults if rule.defaults is not None else ()
|
|
arguments = rule.arguments if rule.arguments is not None else ()
|
|
return len(defaults) >= len(arguments)
|
|
|
|
@app.route("/")
|
|
def all_links():
|
|
links = []
|
|
for rule in app.url_map.iter_rules():
|
|
# Filter out rules we can't navigate to in a browser
|
|
# and rules that require parameters
|
|
if "GET" in rule.methods and has_no_empty_params(rule):
|
|
url = url_for(rule.endpoint, **(rule.defaults or {}))
|
|
links.append((url, rule.endpoint))
|
|
return render_template("all_links.html", links=links)
|
|
|
|
# delete all tables as last link --------------------------
|
|
|
|
# Route to delete all entries
|
|
@app.route('/delete_json_tables', methods=['GET'])
|
|
def delete_json_tables():
|
|
try:
|
|
meta = db.metadata
|
|
meta.reflect(db.engine)
|
|
for table in reversed(meta.sorted_tables): # Iterate through tables in reverse order to handle foreign key constraints
|
|
if table.name != "user" and table.name != "response":
|
|
print("Deleting Table: {name}".format(name=table.name))
|
|
db.session.execute(table.delete())
|
|
|
|
db.session.commit()
|
|
return 'All entries deleted successfully'
|
|
except Exception as e:
|
|
# Rollback changes if any error occurs
|
|
db.session.rollback()
|
|
return f'Error occurred: {str(e)}', 500
|
|
finally:
|
|
# Close the session
|
|
db.session.close()
|
|
|
|
|
|
# Route to delete all entries
|
|
@app.route('/delete_all_entries', methods=['GET'])
|
|
def delete_all_entries():
|
|
# here I could also use a "drop_all()", that works jsut like create all from the creation part
|
|
# this together with the reflect could drop actually all tables
|
|
try:
|
|
meta = db.metadata
|
|
for table in reversed(meta.sorted_tables): # Iterate through tables in reverse order to handle foreign key constraints
|
|
db.session.execute(table.delete())
|
|
db.session.commit()
|
|
return 'All entries deleted successfully'
|
|
except Exception as e:
|
|
# Rollback changes if any error occurs
|
|
db.session.rollback()
|
|
return f'Error occurred: {str(e)}', 500
|
|
finally:
|
|
# Close the session
|
|
db.session.close()
|
|
|
|
if __name__ == '__main__':
|
|
app.run(debug=True) |