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Hello, friend, we'll come back in our previous video we have successfully created to this class that

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is our card and our orders, and after that we migrated, right.

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So now I want to do I want to work for this item.

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That means here, if you want to add this product in our category, also, how can I add this product

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into the kind of scenario in this video?

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I will create it.

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So for doing this, we have to do we have to work in our airports are into the airport, our the area.

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OK, so into the viewfinder area.

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First of all, I want to do want to add some of the building function like into the render.

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So after the.

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I want to also get another function that is our gate and then object so that it will get object or four

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zero four.

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That means if you didn't get sorry, still the four zero four.

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So that means with this function I want to define when you re not getting any object, then this will

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be displayed as a four zero four.

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OK, so I just simply defined that function.

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That is one of the building function that is our get object R and the formula for and also I define

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the deck, OK.

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I also define another function as a redirect and also we have to do we have to define another layer

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that is clogging the grid.

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So that is our triangle into the Django.

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There is a country.

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Right.

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And I think now we should be clear to you, because as I told you, everything is a building.

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So that is our logging record that is in our Django country board and the decorator's so from the decorator's

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sound to import our logging, logging underscore reoccurred.

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So that is all looking good, right?

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And also we have to do we have to add our model so our model, in order from into the app and the app

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order through to the app order, I have created our models.

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So here we have to import our model as a card and also our order.

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So just simply define both of this.

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Redfearn and also if you want to display that message that we saw in this product will be successful.

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Legard Then I want to display that masses for the masses.

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I have already discussed about the things we do that have also on the class as in messages.

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So that is in our form and at the jungle, the country by country.

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And from here I want to import I want to import our messages.

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So better on the person of the note for you.

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So this will be for our messages.

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There will be foreign messages.

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That's actually for our model.

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Look, that will be for our model.

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Perfect.

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And that will be as a lagging indicator, which we have used a lot of the time.

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And then the really dark and the render perfect, not one to do and to create one of the functions.

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So this function will be also as a logging ticket.

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So I just simply defining with all these that they are locking the occurred and then I define the function

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name and I just name it as an add to cart.

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OK, add to cart.

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So here we have to do have the powers that exist.

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So I just simply pasdar to create and also like every product that every item to have a specific some

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of the idea.

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Right.

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So also we have to get specific this product with this idea for the regions here.

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We have to do we have to define all the idea.

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So I just name it as a picture that means the primary key.

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So now we have to do we have to check it.

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We have to check it out.

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This order is already exist or not.

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OK, that means here we have to defining each side assembly item.

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So with this item, I want to define our this object.

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That means get our object data.

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That means if we get any object data, then it will be get this object better than it should be.

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So as a future.

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So now we have to do we have to get all the other object data from our products.

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That means that is in our app shop, into the app shop, into the model area.

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I have already created that our product.

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Right.

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So now we have to also add this class.

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So we in particular that position, I want to, first of all, get all that our product.

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So here after this on the line to take over from in our app shop and there the models.

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And from here, I want to do an import.

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I want to import our product.

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So to simply input that product.

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So now with this product, I want to, first of all, get all the other objects.

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And also we have to do we have to get it by a specific one of the idea that also they have all the specific

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ideas for a specific this product.

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So now I want to do to define as a picture that is our primary key will be already Kuester Primerica.

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And then I want to do and define our order item.

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So that is our order underscore item.

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So we decided at that moment to check our cart.

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That means this product is already added into our Cardella or not.

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OK, that means here right now, if you want to party, these products automatically should be adding

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Kataria.

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And after that, if you want to add it again to first of all, it will be checking that this product

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is already added in our country and not for the reasons here I want to do and to define the criteria.

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So in our criteria also to the category of first of all, I define our all that our object so object.

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So with this object, I don't want to get our name.

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One of the function as a gate underscore or and then create.

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OK, that is a great RPA.

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So that is also one of the building function.

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I want to use it.

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So with this function, it should be actually I didn't initially get this data right then it should

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be create a new one.

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OK, that means we create a new one in our cart area.

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OK, so here I define our gate or to create and into this area I have to define our item.

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So I just simply defined that item.

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Item will be our item.

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And this item, actually, if you go to our cart into the cart model, I have already found the item.

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Right.

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So this item or I want to get so it shall be matched with this.

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So I just simply defending the item will be as item.

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And also here we have to define our user right now.

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Which user is authenticated or not.

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So here also we have to define that user.

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So just take as a user and that will be already existed.

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User, right.

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So just requested and then user and also I want to make that thing.

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So the package is false because of all.

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If you go our model in the model, you can see I define our packages so far, which is positive all

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this will be a default.

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So when this product will be totally partisan, when our payment will.

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Totally complete, then it will be the truth of the results.

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By default, I want to do and to make that our party is the party of our churches will be as a false

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occupant.

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So here I have defining it.

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And also I want to do and define our variable as in order underscore us.

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That means here I want to do want to get all that our order object.

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So with our order, that means I have already defined our order.

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That means there is a clear order side.

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So with these orders here, I want to learn to actually get all the Torah observe.

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So for the reasons here, we have to defining it.

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So with this order, I have already loaded our order so you can see the regular order class I have loaded.

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So with this order, I want to get all that objects.

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So I just simply different objects and I to do and filter it.

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So with this filter, it shall be as it used, will be, as our requested user say, to simplify the

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requested user.

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And also I define our order.

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That means if you go here into the order area C to the order area, I also make the things that false

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right.

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That means positive.

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All will be as a false and will discuss customer actually complete this total procedure with the payment.

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After that, it shall be the truth.

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OK, so now that is our order.

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And I also want to make the things as a false.

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That means this order to this order I define as that will be as a false.

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I guess I just simply make that things as a false prophet.

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That means with this filter here, I define our incomplete all that order, like if you go here like.

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Right.

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Education, purpose, I mean, just thinking about it.

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I'm just ataka this product.

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Right.

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That means this product is already at the cart in our Ebtekar idea.

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That means that is actually our product is the programming is thinking.

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So this product is already Nakata but I didn't complete that packages.

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Right.

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So that is in our incomplete on the order.

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So for the reasons here, I define that with the filter.

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That means what this user requires the user and that is our order is false.

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That means that they are in complete order.

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So here I don't want to define the condition.

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I just simply defending the if condition, if this order.

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So here I take our incomplete order into this variable.

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So if this order, that Cansino incomplete order is already exist, so I just simply cannot exist.

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So that is if this already exists in our criteria, then what exactly shall we do?

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So here we have to defining it.

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So I just simply define on another one of the order.

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So with this order here, I want to define our this variable.

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That means our order in complete order variable.

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So here are defining it.

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And here I have to do have to define the things with the zero.

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OK, that means our value will be at zero.

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So this object that all started from the zero.

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So here I have to defining it and then I want to define our live condition again if our order.

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OK, if this order in our order item, in our order items I want to do and to define the filter filter.

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Absolutely.

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Filter this with our item.

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That means the same condition.

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I have defined that the item.

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OK, so I then pointed to I will be equal equal with our item when we sell with the same item.

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And also if this item is already exist, say that simply they exist.

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OK, so.

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So it should be allowed to exist then.

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What exactly will be happen.

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Like it means if you go here right now, if you purchase this product, that means if you have to get

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these products that this product is or will be serving our criteria.

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Right.

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So here I have defining this part.

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That means our uncompleted order.

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So here I define that our order is a false that means that our incomplete product.

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Right.

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So this product is already ordered in our card area.

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So right now, if you go to again as a whole and if you go against this product and again, if you want

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to buy this product, then what exactly it should we do?

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So this product is already in our kataria.

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So then I want to do I only want to update that quantity, not that product again.

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OK.

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So only our this quantity will be updated which product I have already added in our card area.

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So here I want to define this condition.

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So in our even exist and then here I want to do and define with our this order item, order underscore

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item, this order item, our value will be studied as is the zero.

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OK, so that is zero and this zero.

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I want to update our quantity fields.

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So just simply define the quantity, OK.

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Or quantity will be updated.

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That means the plus equal one.

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OK.

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I hope you can well understand about it.

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So if you want to purchase these products the second time our only this product quantity field will

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be updated.

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Which product I have already added in our area.

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So here, for the reasons here and only updated that our quantity will be as a plus one, and then I

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want to do want to save this, so I just simply finish the order underscore item, this order item,

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I want to save it.

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So I just simply finish the safe.

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OK, I think it's very much clear to you.

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And when it's to be safe, I want to do want to return some of the message.

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So with these messages, I have already included that we have already put our messages with these messages.

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I want to show some of the message.

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So I just completely forgot the tag, the info infotech and we disinfo that it will be Bosler decreased.

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So with this request, I want to pass on the screen that as that this item quantity.

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So this item quantity was updated.

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Right.

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Because of all this product is already in our area for drizzles is only it will be updated our quantity.

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Right.

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For the reasons here I say definer that this item quantity was updated and so I just simply better defense

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is updated.

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So this product item quantities updated and then also ale's what exactly should be happen like right

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now if you want to add another new product.

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So that is actually our new product.

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So right now I want to add this product in our cart area, then what exactly is to be happen?

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So then I want to go on to to take this order.

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That means I want to take this product in our car area.

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So here we have two defining.

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It's after that else.

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So I just simply defined as ls and else what exactly will happen.

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Ls our order.

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So we disorder our order item, ok, our order, our order items.

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And now I want to do and the added.

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So I want to add it in our order item area.

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So that means our order underscore items into the order item area and to define that as a zero value.

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OK, right.

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So if this product is already existing our cart then it should be updated that quantity only and rather

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then shall we add this product again.

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So I just simply define our product again.

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OK, and here I also want to do I want to define one of the message.

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So here it should be just like that same.

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OK, you should be just like that.

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Same here.

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I defined that message.

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Message will be as an input type with this request now one to do and display some of the message as

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a this item.

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Is added to your card reference, I just simply defined that message and wouldn't be sure this message

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and after that I want to turn to redacted to some of the pace so I will defend the return redirect,

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OK, return redirect.

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And with this extended attack and to policy to our home base, that means in our app shop into the app

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shop I have already created on the cloud that is our home.

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So here I am to pass it on here and also when it will be updated.

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That means Swinish will be updated.

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That portions.

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I also after that, I want to understand it that Zeitun directives will be done to our app shop home

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base that before a new party took to this product and successfully when you should be decorator at Canaria,

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it should be directly to our home area, OK, and into the social media.

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I want to do and will display this message.

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So that is a message I have defined.

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So the owners of ablated is to be displayed rather than to be ad Dysport, I guess to be sure that this

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item is added in the card area.

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Perfect.

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And else that means in our total condition will be not work.

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That means there is actually existing one.

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So here I want to define that ale's else.

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It will be added our new order.

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That means here I want to define that order again.

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So that is our order.

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I take one of the variable and with this order, OK, with this our order class here, we have to define

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all user.

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User is the requested user so that the requested user.

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OK, and then I want to define our autosave so our order will be as safe.

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So I just simply define that are safe and wonderful border safe.

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Also we have to do we have to add it, we have to added in our order item area with our own item zero

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or shall we just like the same.

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So here I define as the order and then our order items.

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So are other items, and then I want to do and added, that means that there are fresh new order.

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So I just simply added in our order, item, order, and let's go right into the order item here.

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I just simply would.

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Well, OK.

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And after that, I and also show some of the message so that the message is I want to use that info

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tag and with the infotech area and the request and the request to be able to pass on the message that

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this item is added to your card.

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So this will be this type of message be display.

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And after that, I want to return it again, the redirect, and then it should be developing our app

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shop into the app shop on base.

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So to simply defend that home.

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So that's all we have to do.

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OK, so here we just defined find that we have this condition.

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If our quantity that we saw in this product is already added in our cart, then it should be updated.

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That quantity aless will be added our new product and Ayles, that is actually our if condition and

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or anything else aless will be added to the same order again.

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So I just simply said this order to your card area and then it shall be sure short.

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So the message is that this is added in your card.

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Perfect.

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So now we have to do we have to create one of the rules for this one.

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And after that, we have to add that action in our pace to better and to do and to continue this process.

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You know, next video, I will show you that things with a live example.

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So thanks for watching and I'll see you in the next video.