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// CapsuleDao.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 2/21/22.
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//
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import UIKit
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import SQLite3
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class CapsuleDao {
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let SQLITE_TRANSIENT = unsafeBitCast(-1, to: sqlite3_destructor_type.self)
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var db = Database().open()
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func getCountAll() -> Int {
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var count = 0
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let query = "SELECT COUNT(*) AS total FROM \(Constants.TABLE_CAPSULE) LIMIT 1"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare(db, query, -1, &statement, nil) == SQLITE_OK) {
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if(sqlite3_step(statement) == SQLITE_ROW){
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count = Int(sqlite3_column_int(statement, 0))
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print("\(count)")
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}
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}
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sqlite3_finalize(statement)
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return count
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}
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func getCountByTopicUuid(topicUuid: String) -> Int {
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var count = 0
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let query = "SELECT COUNT(*) AS total FROM " + Constants.TABLE_CAPSULE +
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" WHERE " + Constants.TABLE_CAPSULE_FIELD_TOPIC_UUID + " = \(topicUuid) LIMIT 1"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare(db, query, -1, &statement, nil) == SQLITE_OK) {
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if(sqlite3_step(statement) == SQLITE_ROW){
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count = Int(sqlite3_column_int(statement, 0))
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print("\(count)")
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}
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}
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sqlite3_finalize(statement)
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return count
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}
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func selectAllByTopicUuid(topicUuid: String)-> [CapsuleModel] {
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var records = [CapsuleModel]()
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var query = "SELECT "
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query = query + Constants.TABLE_CAPSULE_FIELD_UUID + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_TOPIC_UUID + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_NAME + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_DESCRIPTION + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_IMAGE + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_POSITION
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query = query + " FROM " + Constants.TABLE_CAPSULE
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query = query + " WHERE " + Constants.TABLE_CAPSULE_FIELD_TOPIC_UUID + " = '\(topicUuid)' "
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query = query + " ORDER BY " + Constants.TABLE_CAPSULE_FIELD_POSITION + " ;"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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while (sqlite3_step(statement) == SQLITE_ROW) {
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var model = CapsuleModel()
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model.uuid = String(describing: String(cString: sqlite3_column_text(statement, 0)))
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model.topicUuid = String(describing: String(cString: sqlite3_column_text(statement, 1)))
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model.name = String(describing: String(cString: sqlite3_column_text(statement, 2)))
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model.description = String(describing: String(cString: sqlite3_column_text(statement, 3)))
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model.image = String(describing: String(cString: sqlite3_column_text(statement, 4)))
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model.position = Int(sqlite3_column_int(statement, 5))
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records.append(model)
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}
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}
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sqlite3_finalize(statement)
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return records
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}
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func selectByUuid(uuid: String)-> CapsuleModel {
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var model = CapsuleModel()
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var query = "SELECT " + Constants.TABLE_CAPSULE_FIELD_UUID + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_TOPIC_UUID + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_NAME + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_DESCRIPTION + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_IMAGE + " , "
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query = query + Constants.TABLE_CAPSULE_FIELD_POSITION
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query = query + " FROM " + Constants.TABLE_CAPSULE
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query = query + " WHERE " + Constants.TABLE_CAPSULE_FIELD_UUID + " = '\(uuid)' LIMIT 1;"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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if (sqlite3_step(statement) == SQLITE_ROW) {
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model.uuid = String(describing: String(cString: sqlite3_column_text(statement, 0)))
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model.topicUuid = String(describing: String(cString: sqlite3_column_text(statement, 1)))
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model.name = String(describing: String(cString: sqlite3_column_text(statement, 2)))
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model.description = String(describing: String(cString: sqlite3_column_text(statement, 3)))
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model.image = String(describing: String(cString: sqlite3_column_text(statement, 4)))
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model.position = Int(sqlite3_column_int(statement, 5))
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}
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}
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sqlite3_finalize(statement)
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return model
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}
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func insert(capsule: CapsuleModel) {
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var query = "INSERT INTO " + Constants.TABLE_CAPSULE + " ( "
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query = query + Constants.TABLE_CAPSULE_FIELD_UUID + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_TOPIC_UUID + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_NAME + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_DESCRIPTION + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_IMAGE + ", "
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query = query + Constants.TABLE_CAPSULE_FIELD_POSITION + " ) VALUES (?, ?, ?, ?, ?, ?);"
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var statement : OpaquePointer?
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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sqlite3_bind_text(statement, 1, capsule.uuid, -1, SQLITE_TRANSIENT)
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sqlite3_bind_text(statement, 2, capsule.topicUuid, -1, SQLITE_TRANSIENT)
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sqlite3_bind_text(statement, 3, capsule.name , -1, SQLITE_TRANSIENT)
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sqlite3_bind_text(statement, 4, capsule.description , -1, SQLITE_TRANSIENT)
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sqlite3_bind_text(statement, 5, capsule.image , -1, SQLITE_TRANSIENT)
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sqlite3_bind_int(statement, 6, Int32(capsule.position))
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if (sqlite3_step(statement) != SQLITE_DONE) {
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print("No se pudo insertar un registro en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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} else {
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print("Fallo la prepración de insertar un registro en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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sqlite3_finalize(statement)
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}
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func update(capsule : CapsuleModel) {
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var query = "UPDATE " + Constants.TABLE_CAPSULE
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query = query + " SET " + Constants.TABLE_CAPSULE_FIELD_NAME + " = '\(capsule.name)', "
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query = query + Constants.TABLE_CAPSULE_FIELD_DESCRIPTION + " = '\(capsule.description)', "
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query = query + Constants.TABLE_CAPSULE_FIELD_IMAGE + " = '\(capsule.image)', "
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query = query + Constants.TABLE_CAPSULE_FIELD_POSITION + " = '\(capsule.position)' "
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query = query + " WHERE " + Constants.TABLE_CAPSULE_FIELD_UUID + " = '\(capsule.uuid)' ;"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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if (sqlite3_step(statement) != SQLITE_DONE) {
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print("No se pudo actualizar un registro en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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} else {
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print("Fallo la preparación para actualizar un registro en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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sqlite3_finalize(statement)
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}
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func remove(uuid: String) {
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let query = "DELETE FROM " + Constants.TABLE_CAPSULE +
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" WHERE " + Constants.TABLE_CAPSULE_FIELD_UUID + " = " + "\(uuid) ;"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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if (sqlite3_step(statement) != SQLITE_DONE) {
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print("No se pudo borrar el registro con el uuid: \(uuid) en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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} else {
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print("Fallo la preparación de borrar un registro con el uuid: \(uuid) en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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sqlite3_finalize(statement)
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}
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func removeAll() {
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let query = "DELETE FROM " + Constants.TABLE_CAPSULE + ";"
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var statement : OpaquePointer? = nil
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if (sqlite3_prepare_v2(db, query, -1, &statement, nil) == SQLITE_OK) {
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if (sqlite3_step(statement) != SQLITE_DONE) {
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print("No se pudo borrar todos los registros en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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} else {
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print("No se pudo preparar el borrar todos los registros en la tabla: \(Constants.TABLE_CAPSULE)")
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}
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sqlite3_finalize(statement)
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}
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}
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