subline/views/dashboardPage/components/ingredientDetails.ejs

<div id="ingredientDetails">
    <div class="sidebarIconButtons">
        <button onclick="closeSidebar()">
            <svg width="30" height="30" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                <line x1="5" y1="12" x2="19" y2="12"></line>
                <polyline points="12 5 19 12 12 19"></polyline>
            </svg>
        </button>

        <button onclick="ingredientDetailsComp.edit()">
            <svg width="30" height="30" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                <path d="M12 20h9"></path>
                <path d="M16.5 3.5a2.121 2.121 0 0 1 3 3L7 19l-4 1 1-4L16.5 3.5z"></path>
            </svg>
        </button>

        <button onclick="ingredientDetailsComp.remove()">
            <svg width="30" height="30" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                <polyline points="3 6 5 6 21 6"></polyline>
                <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path>
            </svg>
        </button>
    </div>

    <p></p>
    <h1></h1>
    <div class="lineBorder"></div>

    <label>Current Stock
        <p id="ingredientStock"></p>
        <input id="ingredientInput" type="number" min="0" step="0.01" style="display: none;">
    </label>

    <div class="lineBorder"></div>

    <label>Average Daily Use (30 days)
        <p id="dailyUse"></p>
    </label>

    <button id="editSubmitButton" class="button" onclick="ingredientDetailsComp.editSubmit()" style="display: none;">Save Changes</button>

    <script>
        let ingredientDetailsComp = {
            ingredient: {},

            display: function(ingredient, category){
                this.ingredient = ingredient;

                sidebar = document.querySelector("#ingredientDetails");
                openSidebar(sidebar);

                document.querySelector("#ingredientDetails p").innerText = category.name;
                document.querySelector("#ingredientDetails h1").innerText = ingredient.name;
                document.querySelector("#ingredientStock").innerText = `${ingredient.quantity} ${ingredient.unit}`;
                document.querySelector("#ingredientInput").placeholder = `${ingredient.quantity} ${ingredient.unit}`;

                let quantities = [];
                let now = new Date();
                for(let i = 1; i < 31; i++){
                    let endDay = new Date(now.getFullYear(), now.getMonth(), now.getDate() - i)
                    let startDay = new Date(now.getFullYear(), now.getMonth(), now.getDate() - i - 1);
                    quantities.push(ingredientSold(dateIndices(startDay, endDay), ingredient.id));
                }

                let sum = 0;
                for(let quantity of quantities){
                    sum += quantity;
                }

                document.querySelector("#dailyUse").innerText = `${(sum/quantities.length).toFixed(2)} ${ingredient.unit}`;
            },

            remove: function(){
                for(let i = 0; i < merchant.recipes.length; i++){
                    for(let j = 0; j < merchant.recipes[i].ingredients.length; j++){
                        if(this.ingredient.id === merchant.recipes[i].ingredients[j].ingredient._id){
                            banner.createError("Must remove ingredient from all recipes before removing");
                            return;
                        }
                    }
                }

                fetch(`/merchant/ingredients/remove/${this.ingredient.id}`, {
                    method: "DELETE",
                })
                    .then((response) => response.json())
                    .then((response)=>{
                        if(typeof(response) === "string"){
                            banner.createError(response);
                        }else{
                            banner.createNotification("Ingredient removed");
                            updateInventory([this.ingredient], true);
                        }
                    })
                    .catch((err)=>{});
            },

            edit: function(){
                document.querySelector("#ingredientStock").style.display = "none";
                document.querySelector("#ingredientInput").style.display = "block";
                document.querySelector("#editSubmitButton").style.display = "block";
            },

            editSubmit: function(){
                let data = [{
                    id: this.ingredient.id,
                    quantity: Number(document.querySelector("#ingredientInput").value)
                }];

                if(validator.ingredient.quantity(data[0].quantity)){
                    fetch("/merchant/ingredients/update", {
                        method: "PUT",
                        headers: {
                            "Content-Type": "application/json;charset=utf-8"
                        },
                        body: JSON.stringify(data)
                    })
                        .then((response) => response.json())
                        .then((response)=>{
                            if(typeof(response) === "string"){
                                banner.createError(response);
                            }else{
                                updateInventory(data);
                                banner.createNotification("Ingredient updated");
                            }
                        })
                        .catch((err)=>{
                            banner.createError("Something went wrong, try refreshing the page");
                        });
                }
            }
        }
    </script>
</div>