app.py

import re
import time
from flask import Flask, render_template, request, redirect, url_for
from helper import recipes, add_ingredients, add_instructions
from forms import RecipeForm, CommentForm, IngredientsFormSet, IngredientForm, InstructionForm

app = Flask(__name__)
app.config["SECRET_KEY"] = "mysecret"


@app.route("/")
def index():
    return render_template("index.html", template_recipes=recipes, title='index')


@app.route("/about")
def about():
    return render_template("about.html", title='About')


@app.route("/recipe/<string:name>", methods=["GET", "POST"])
def recipe(name):
    comment_form = CommentForm(csrf_enabled=False)
    if comment_form.validate_on_submit():
        new_comment = comment_form.comment.data
        recipes[name]['comments'].append(new_comment)

    return render_template("recipe.html",
                           template_recipe=name,
                           template_type=recipes[name]['type'],
                           template_description=recipes[name]['description'],
                           template_ingredients=recipes[name]['ingredients'],
                           template_instructions=recipes[name]['instructions'],
                           template_comments=recipes[name]['comments'],
                           template_form=comment_form,
                           title=name)


@app.route('/preparation/<string:name>', methods=["GET", "POST"])
def preparation(name):
    return render_template('preparation.html',
                           template_recipe=name)


@app.route('/preparation_step/<string:name>/<int:step>', methods=["GET", "POST"])
def preparation_step(name, step):
    instruction = list(recipes[name]['instructions'].keys())[step - 1]
    duration = list(recipes[name]['instructions'].values())[step - 1]
    number_steps = len(recipes[name]['instructions'])
    duration_int = int(re.findall("(\d+)", duration)[0]) * 60
    if step < number_steps:
        # timer(duration_int)
        return render_template('preparation_step.html',
                               template_recipe=name,
                               template_step=step,
                               template_instruction=instruction,
                               template_duration=duration_int
                               )
    else:
        return redirect(url_for('index'))


@app.route("/add_recipe", methods=["GET", "POST"])
def new_recipe():
    recipe_form = RecipeForm(csrf_enabled=False)
    if recipe_form.validate_on_submit():
        name = recipe_form.recipe.data
        recipes[name] = {}
        recipes[name]['type'] = recipe_form.recipe_type.data
        recipes[name]['description'] = recipe_form.description.data
        new_instructions = recipe_form.instructions.data
        add_instructions(name, new_instructions)
        new_ingredients = recipe_form.ingredients.data
        add_ingredients(name, new_ingredients)
        recipes[name]['comments'] = []
        return redirect(url_for("new_ingredients_quantity", name=name, title=name))

    return render_template("new_recipe.html", template_form=recipe_form, title='New Recipe')


@app.route("/add_recipe/new_ingredients/<string:name>", methods=["GET", "POST"])
def new_ingredients_quantity(name):
    ingredients_form = IngredientsFormSet()
    ingredients = recipes[name]['ingredients']
    instructions = recipes[name]['instructions']
    if ingredients_form.validate_on_submit():
        ingredient_items = get_ingredients_from_set(ingredients_form)
        instruction_items = get_instructions_from_set(ingredients_form)
        save_ingredient_quantity(ingredient_items, ingredients)
        save_instruction_duration(instruction_items, instructions)
        return redirect(url_for("index"))
    populate_ingredients(ingredients_form, name)
    populate_instructions(ingredients_form, name)
    return render_template("new_recipe_ingredients.html", template_ingredients_form=ingredients_form)


def save_instruction_duration(instruction_items, instructions):
    for instruction_item in instruction_items:
        instructions[instruction_item.data['instruction']] = instruction_item.data['step_duration']


def save_ingredient_quantity(ingredient_items, ingredients):
    for ingredient_item in ingredient_items:
        ingredients[ingredient_item.data['ingredient']] = ingredient_item.data['ingredient_quantity']


def get_instructions_from_set(ingredients_form):
    return ingredients_form.instruction_set.entries


def get_ingredients_from_set(ingredients_form):
    return ingredients_form.ingredient_set.entries


def populate_instructions(ingredients_form, name):
    for instruction in recipes[name]['instructions']:
        instruction_form = InstructionForm()
        instruction_form.instruction = instruction
        instruction_form.step_duration = ""
        ingredients_form.instruction_set.append_entry(instruction_form)


def populate_ingredients(ingredients_form, name):
    for ingredient in recipes[name]['ingredients']:
        ingredient_form = IngredientForm()
        ingredient_form.ingredient = ingredient
        ingredient_form.ingredient_quantity = ""
        ingredients_form.ingredient_set.append_entry(ingredient_form)


def timer(duration):
    start_time = time.time()
    while time.time() - start_time < duration:
        pass