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What is MongoDB?

MongoDB is a NoSQL database known for its high performance, scalability, and flexibility, using a document-oriented data model that stores data in JSON-like formats. It is widely used for handling large volumes of diverse and rapidly changing data, making it ideal for modern web applications.

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Setting up MongoDB

To set up MongoDB, you will need to install it on your server. You can do this by following the instructions provided by the official MongoDB website. Once MongoDB is installed, you will need to create a database and a collection within that database. You can do this by using the MongoDB shell or a database management tool like Robo 3T. After creating the database and collection, you can start using MongoDB to store and retrieve data in your Discord bot.

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Connecting to MongoDB

To connect to MongoDB in your Discord bot Dashboard, you will need to use the mongoose package. You can install it using npm or yarn. Once you have installed the package, you can import it into your code and use it to connect to your MongoDB database. Here is an example of how to connect to MongoDB using the mongoose package: 
const mongoose = require("mongoose");

mongoose.set("strictQuery", true);

mongoose
  .connect("YOUR_MONGODB_URL", {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => {
    console.log("Connected to Database!");
  })
  .catch((err) => console.log(err));

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Creating a MongoDB Collection

To create a MongoDB collection in your Discord bot Dashboard, you will need to use the mongoose package. You can install it using npm or yarn. Once you have installed the package, you can import it into your code and use it to create a new collection in your MongoDB database. Here is an example of how to create a MongoDB collection using the mongoose package. We created a seperate file called level.js and exported the collection as a module. 
const { model, Schema } = require("mongoose");

module.exports = model(
  "level",
  new Schema({
    Guild: String,
    User: String,
    Channel: String,
    XP: Number,
    Level: Number,
    BackgroundImage: {
      type: String,
      default: "https://wallpaper.dog/large/961978.jpg",
    },
    counter: { type: Number, default: 0 },
    timestamp: { type: Date, default: Date.now },
  })
);

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Query and Update Data

To query and update data in the dashboard we need to import the file where we created the collection and use the find and update methods provided by the mongoose package. 
const mongoose = require("mongoose");
const LevelDB = require("./level");

// Rest of the code

[...]
const Dashboard = new DBD.Dashboard({
    [...]
    settings: [
        [...]
        {
            categoryId: "level",
            categoryName: "Levels",
            categoryDescription: "Setup the level system for the bot",
            categoryImageURL: 'https://cdn.discordapp.com/attachments/1062107362879619123/1062107518983221328/zeenbot.png',
            categoryOptionsList: [
                {
                    optionId: "levelchannel",
                    optionName: "Level Up Channel",
                    optionDescription: "Set the channel for the level up notifications",
                    optionType: DBD.formTypes.channelsSelect(false, channelTypes = [ChannelType.GuildText]),
                    getActualSet: async ({ guild }) => {
                        let data = await LevelUpDB.findOne({ Guild: guild.id }).catch(err => { })
                        if (data) return data.Channel
                        else return null
                    },
                    setNew: async ({ guild, newData }) => {
                        let data = await LevelUpDB.findOne({ Guild: guild.id }).catch(err => { })
                        if (!newData) newData = null
                        if (!data) {
                            data = new LevelUpDB({
                                Guild: guild.id,
                                Channel: newData,
                            })
                            await data.save()
                        } else {
                            data.Channel = newData
                            await data.save()
                        }
                        return
                    }
                },
                {
                    optionId: "levelcardbg",
                    optionName: "Level card background URL",
                    optionDescription: "Set the background image for the level card",
                    optionType: DBD.formTypes.input("https://wallpaper.dog/large/961978.jpg", 1, 200, false, false),
                    getActualSet: async ({ guild }) => {
                        let data = await LevelDB.findOne({ Guild: guild.id }).catch(err => { })
                        if (data) return data.BackgroundImage
                        else return null
                    },
                    setNew: async ({ guild, newData }) => {
                        let data = await LevelDB.find({ Guild: guild.id }).catch(err => { })
                        if (!newData) newData = null
                        if (!data) {
                            data = new LevelDB({
                                Guild: guild.id,
                                BackgroundImage: newData,
                            })
                            await data.save()
                        } else {
                            // Iterate through the array and update the data
                            for (const d of data) {
                                d.BackgroundImage = newData
                                await d.save()
                            }
                        }
                        return
                    }
                }
            ]
        },
    ],
    [...]