Proyectos de Subversion Iphone Microlearning - Inconcert

//
//  SlideDao.swift
//  twogetskills
//
//  Created by Efrain Yanez Recanatini on 2/21/22.
//

import UIKit
import SQLite3

class SlideDao {
    private let SQLITE_TRANSIENT = unsafeBitCast(-1, to: sqlite3_destructor_type.self)
    private var database = Database.sharedInstance
    
    static let sharedInstance: SlideDao = {
           let instance = SlideDao()
           
           // setup code
           return instance
    }()


    func getCountByCapsuleUuid(capsuleUuid: String) -> Int {
        let db = database.open()
        let query = "SELECT COUNT(*) AS total FROM " + Constants.TABLE_SLIDE +
            " WHERE " + Constants.TABLE_SLIDE_FIELD_CAPSULE_UUID + " = '\(capsuleUuid)'  ;"

        var statement : OpaquePointer? = nil
        var count = 0;
        
        
        if (sqlite3_prepare(db, query, -1, &statement, nil) == SQLITE_OK) {
            if(sqlite3_step(statement) == SQLITE_ROW){
                count = Int(sqlite3_column_int(statement, 0))
                //print("\(count)")
            }
        } else {
            database.printError()
        }
        sqlite3_finalize(statement)
        return count
    }

    func getCountByTopicUuid(topicUuid: String) -> Int {
        let db = database.open()
        let query = "SELECT COUNT(*) AS total FROM " + Constants.TABLE_SLIDE +
            " WHERE " + Constants.TABLE_SLIDE_FIELD_TOPIC_UUID + " = '\(topicUuid)' ;"

        var statement : OpaquePointer? = nil
        var count = 0
        
        
        if (sqlite3_prepare(db, query, -1, &statement, nil) == SQLITE_OK) {
            if(sqlite3_step(statement) == SQLITE_ROW){
                count = Int(sqlite3_column_int(statement, 0))
                //print("\(count)")
            }
        } else {
            database.printError()
        }
        sqlite3_finalize(statement)
        return count
    }

    func selectAllByCapsuleUuid(capsuleUuid: String)-> [SlideModel] {
        let db = database.open()
        var records = [SlideModel]()
        
        var query = "SELECT " + Constants.TABLE_SLIDE_FIELD_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_TOPIC_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_CAPSULE_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_QUIZ_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_NAME
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_DESCRIPTION
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_TYPE
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_FILE
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_BACKGROUND
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_POSITION
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_ADDED_ON
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_UPDATED_ON
        query = query + " FROM " + Constants.TABLE_SLIDE
        query = query + " WHERE " + Constants.TABLE_SLIDE_FIELD_CAPSULE_UUID + " = '\(capsuleUuid)' "
        query = query + " ORDER BY "  + Constants.TABLE_SLIDE_FIELD_POSITION + " ;"
        var statement : OpaquePointer? = nil
        
        
        if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
            while (sqlite3_step(statement) == SQLITE_ROW) {
                var model = SlideModel()
                model.uuid = String(describing: String(cString: sqlite3_column_text(statement, 0)))
                model.topicUuid = String(describing: String(cString: sqlite3_column_text(statement, 1)))
                model.capsuleUuid = String(describing: String(cString: sqlite3_column_text(statement, 2)))
                model.quizUuid = String(describing: String(cString: sqlite3_column_text(statement, 3)))
                model.name = String(describing: String(cString: sqlite3_column_text(statement, 4)))
                model.description = String(describing: String(cString: sqlite3_column_text(statement, 5)))
                model.type = String(describing: String(cString: sqlite3_column_text(statement, 6)))
                model.file = String(describing: String(cString: sqlite3_column_text(statement, 7)))
                model.background = String(describing: String(cString: sqlite3_column_text(statement, 8)))
                model.position = Int(sqlite3_column_int(statement, 9))
                model.addedOn = String(describing: String(cString: sqlite3_column_text(statement, 10)))
                model.updatedOn = String(describing: String(cString: sqlite3_column_text(statement, 11)))
                records.append(model)
            }
        } else {
            database.printError()
        }
        sqlite3_finalize(statement)
        return records
    }
    

    func selectByUuid(uuid: String)-> SlideModel {
        let db = database.open()
        var model = SlideModel()
        var query = "SELECT " + Constants.TABLE_SLIDE_FIELD_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_TOPIC_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_CAPSULE_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_QUIZ_UUID
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_NAME
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_DESCRIPTION
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_TYPE
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_FILE
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_BACKGROUND
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_POSITION
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_ADDED_ON
        query = query + ", " + Constants.TABLE_SLIDE_FIELD_UPDATED_ON
        query = query + " FROM " + Constants.TABLE_SLIDE
        query = query + " WHERE " + Constants.TABLE_SLIDE_FIELD_UUID + " = '\(uuid)' LIMIT 1;"
        var statement : OpaquePointer? = nil
        
        if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
            if(sqlite3_step(statement) == SQLITE_ROW) {
                model.uuid = String(describing: String(cString: sqlite3_column_text(statement, 0)))
                model.topicUuid = String(describing: String(cString: sqlite3_column_text(statement, 1)))
                model.capsuleUuid = String(describing: String(cString: sqlite3_column_text(statement, 2)))
                model.quizUuid = String(describing: String(cString: sqlite3_column_text(statement, 3)))
                model.name = String(describing: String(cString: sqlite3_column_text(statement, 4)))
                model.description = String(describing: String(cString: sqlite3_column_text(statement, 5)))
                model.type = String(describing: String(cString: sqlite3_column_text(statement, 6)))
                model.file = String(describing: String(cString: sqlite3_column_text(statement, 7)))
                model.background = String(describing: String(cString: sqlite3_column_text(statement, 8)))
                model.position = Int(sqlite3_column_int(statement, 9))
                model.addedOn = String(describing: String(cString: sqlite3_column_text(statement, 10)))
                model.updatedOn = String(describing: String(cString: sqlite3_column_text(statement, 11)))
            }
        } else {
            database.printError()
        }
        sqlite3_finalize(statement)
        return model
    }
        
    func insert(slide : SlideModel) {
        let db = database.open()
        var query = "INSERT INTO " + Constants.TABLE_SLIDE + " ( "
        query = query + Constants.TABLE_SLIDE_FIELD_UUID + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_TOPIC_UUID + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_CAPSULE_UUID + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_QUIZ_UUID + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_NAME + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_DESCRIPTION + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_TYPE + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_FILE + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_BACKGROUND + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_POSITION + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_ADDED_ON + ", "
        query = query + Constants.TABLE_SLIDE_FIELD_UPDATED_ON + " ) "
        query = query + " VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);"
        var statement : OpaquePointer?
        
           
        
        if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK){
                   
            sqlite3_bind_text(statement, 1, slide.uuid, -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 2, slide.topicUuid, -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 3, slide.capsuleUuid, -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 4, slide.quizUuid, -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 5, slide.name , -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 6, slide.description , -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 7, slide.type , -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 8, slide.file , -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 9, slide.background , -1, SQLITE_TRANSIENT)
            sqlite3_bind_int(statement, 10, Int32(slide.position))
            sqlite3_bind_text(statement,11, slide.addedOn , -1, SQLITE_TRANSIENT)
            sqlite3_bind_text(statement, 12, slide.updatedOn, -1, SQLITE_TRANSIENT)

           if sqlite3_step(statement) != SQLITE_DONE {
                print("No se pudo insertar un registro en la tabla: \(Constants.TABLE_SLIDE)")
                database.printError()
           }
        } else {
            print("Fallo la preparación de insertar un registro en la tabla: \(Constants.TABLE_SLIDE)")
            database.printError()
        }
       
        sqlite3_finalize(statement)
    }

    func update(slide: SlideModel) {
        let db = database.open()
        var query = "UPDATE " + Constants.TABLE_SLIDE
        query = query + " SET " + Constants.TABLE_SLIDE_FIELD_QUIZ_UUID + " = '\(slide.quizUuid)', "
        query = query + Constants.TABLE_SLIDE_FIELD_NAME + " = '\(slide.name)', "
        query = query + Constants.TABLE_SLIDE_FIELD_DESCRIPTION + " = '\(slide.description)', "
        query = query + Constants.TABLE_SLIDE_FIELD_TYPE + " = '\(slide.type)', "
        query = query + Constants.TABLE_SLIDE_FIELD_FILE + " = '\(slide.file)', "
        query = query + Constants.TABLE_SLIDE_FIELD_BACKGROUND + " = '\(slide.background)', "
        query = query + Constants.TABLE_SLIDE_FIELD_POSITION + " = '\(slide.position)', "
        query = query + Constants.TABLE_SLIDE_FIELD_ADDED_ON + " = '\(slide.addedOn)', "
        query = query + Constants.TABLE_SLIDE_FIELD_UPDATED_ON + " = '\(slide.updatedOn)' "
        query = query + " WHERE " + Constants.TABLE_SLIDE_FIELD_UUID + " = '\(slide.uuid)'  ;"
        var statement : OpaquePointer? = nil
        if sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK{
            if sqlite3_step(statement) != SQLITE_DONE {
                print("No se puedo actualizar un registro en la tabla: \(Constants.TABLE_SLIDE) ")
                database.printError()
            }
        } else {
            print("Fallo la preparación de actualizar un registro en la tabla: \(Constants.TABLE_SLIDE)")
            database.printError()
        }
        sqlite3_finalize(statement)
    }

    func remove(uuid: String) {
        let db = database.open()
        let query = "DELETE FROM " + Constants.TABLE_SLIDE +
            " WHERE " + Constants.TABLE_SLIDE_FIELD_UUID + " = '\(uuid)' ;"
        var statement : OpaquePointer? = nil
        if sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK{
            if sqlite3_step(statement) != SQLITE_DONE {
                print("No se pudo borrar el registro con el uuid: \(uuid) en la tabla: \(Constants.TABLE_SLIDE)")
                database.printError()
            }
        } else {
            print("Fallo la preparación de borrar un registro con el uuid: \(uuid) en la tabla: \(Constants.TABLE_SLIDE)")
            database.printError()
        }
        sqlite3_finalize(statement)
    }

    func removeAll() {
        let db = database.open()
        let query = "DELETE FROM " + Constants.TABLE_SLIDE + ";"
        var statement : OpaquePointer? = nil
        if sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK{
            if sqlite3_step(statement) != SQLITE_DONE {
                print("No se pudo borrar todos los registros en la tabla: \(Constants.TABLE_SLIDE)")
                database.printError()
            }
        } else {
            print("Fallo la preparación de borrar todos los registros en la tabla: \(Constants.TABLE_SLIDE) ")
            database.printError()
        }
        sqlite3_finalize(statement)
    }
    
}