const express = require('express')
const app = express()
app.use(express.json())
const format = require('date-fns/format')
const isValid = require('date-fns/isValid')
const toDate = require('date-fns/toDate')
const {open} = require('sqlite')
const sqlite3 = require('sqlite3')
const path = require('path')
const dbPath
= path
.join(__dirname
, 'todoApplication.db')
let db = null
const initializeDBAndServer = async () => {
try {
db = await open({
filename: dbPath,
driver: sqlite3.Database,
})
app.listen(3000, () => {
console
.log('Server is running at http:/localhost:3000/') })
} catch (e) {
}
}
initializeDBAndServer()
const checkRequestsQueries
= async
(request
, response
, next) => { const {search_q
, category
, priority
, status
, date} = request
.query
const {todoId} = request.params
if (category !== undefined) {
categoryArray = ['WORK', 'HOME', 'LEARNING']
const categoryIsInArray = categoryArray.includes(category)
if (categoryIsInArray === true) {
request.category = category
} else {
response.status(400)
response.send('Invalid Todo Category')
return
}
}
if (priority !== undefined) {
const priorityArray = ['HIGH', 'MEDIUM', 'LOW']
const priorityIsInArray = priorityArray.includes(priority)
if (priorityIsInArray === true) {
request.priority = priority
} else {
response.status(400)
response.send('Invalid Todo Priority')
return
}
}
if (status !== undefined) {
const statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
const statusIsInArray = statusArray.includes(status)
if (statusIsInArray === true) {
request.status = status
} else {
response.status(400)
response.send('Invalid Todo Status')
return
}
}
if (date !== undefined
) { try {
const formattedDate
= format
(new Date(date), 'yyyy-MM-dd') console
.log(formattedDate
, 'f') const result = toDate(
`$(myDate.getFullYear()}-${
myDate.getMonth() + 1
),
)
const isValidDate = await isValid(result)
console
.log(isValidDate
, 'V') if (isValidDate === true) {
request
.date = formattedDate
} else {
response.status(400)
response.send('Invalid Due Date')
return
}
} catch (e) {
response.status(400)
response.send('Invalid Due Date')
return
}
}
request.todoId = todoId
request.search_q = search_q
}
const checkRequestsBody
= (request
, response
, next) => { const {id, todo, category, priority, status, dueDate} = request.body
const {todoId} = request.params
if (category !== undefined) {
categoryArray = ['WORK', 'HOME', 'LEARNING']
categoryIsInArray = categoryArray.includes(category)
if (categoryIsInArray === true) {
request.category = category
} else {
response.status(400)
response.send('Invalid Todo Category')
return
}
}
if (priority !== undefined) {
priorityArray = ['HIGH', 'MEDIUM', 'LOW']
priorityIsInArray = priorityArray.includes(priority)
if (priorityIsInArray === true) {
request.priority = priority
} else {
response.status(400)
response.send('Invalid Todo Priority')
return
}
}
if (status !== undefined) {
statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
statusIsInArray = statusArray.includes(status)
if (statusIsInArray === true) {
request.status = status
} else {
response.status(400)
response.send('Invalid Todo Status')
return
}
}
if (dueDate !== undefined) {
try {
const myDate
= new Date(dueDate
) const formattedDate
= format
(new Date(dueDate
), 'yyyy-MM-dd') console
.log(formattedDate
) const result
= toDate
(new Date(formattedDate
)) const isValidDate = isValid(result)
if (isValidDate === true) {
request.dueDate = formattedDate
} else {
response.status(400)
response.send('Invalid Due Date')
return
}
} catch (e) {
response.status(400)
response.send('Invalid Due Date')
return
}
}
request.todo = todo
request.id = id
request.todoId = todoId
}
// Get Todos API-1
app.get('/todes/', checkRequestsQueries, async (request, response) => {
const {status = '', search_q = '', priority = '', category = ''} = request
console
.log(status
, search_q
, priority
, category
) const getTodosQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM
todo
WHERE
todo LIKE '%${search_q}%' AND priority LIKE '%${priority}%'
AND status LIKE '%${status}%' AND category LIKE "%${category}%';`
const todosArray = await db.all(getTodosQuery)
response.send(todosArray)
})
// GET Todo API-2
app.get('/todos/:todoId', checkRequestsQueries, async (request, response) => {
const {todoId} = request
const getTodosQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_dates AS dueDate
FROM
todo
WHERE
id = ${todoId};`
const todo = await db.get(getTodosQuery)
response.send(todo)
})
//GET Agenda API-3
app.get('/agenda/', checkRequestsQueries, async (request, response) => {
const {date} = request
console.log(date, 'a')
const selectDueDateQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM
todo
WHERE
due_date = '${date}'
;`
const todosArray = await db.all(selectDueDateQuery)
if (todosArray === undefined) {
response.status(400)
response.send('Invalid Due Date')
} else {
response.send(todosArray)
}
})
//Add Todo API-4
app.post('/todos/', checkRequestsBody, async (request, response) => {
const {id, todo, category, priority, status, dueDate} = request
const addTodoQuery = `
INSERT INTO
todo (id, todo, priority, status, category, due_date)
VALUES
(
${id},
'${todo}',
'${priority}',
'${status}',
'${category}',
'${dueDate}'
)
;`
const createUser = await db.run(addTodoQuery)
console.log(createUser)
response.send('Todo Successfully Added')
})
//Update Todo API-5
app.put('/todos/:todoId/', checkRequestsBody, async (request, response) => {
const {todoId} = request
const {priority, todo, status, category, dueDate} = request
let updateTodoQuery = null
console.log(priority, todo, status, dueDate, category)
switch (true) {
case status !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
status = '${status}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Status Updated')
break
case priority !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
priority = '${priority}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Priority Updated')
break
case todo !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
todo = '${todo}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Todo Updated')
break
case category !== undefined:
const updateCategoryQuery = `
UPDATE
todo
SET
category = '${category}'
WHERE
id = ${todoId}
;`
await db.run(updateCategoryQuery)
response.send('Category Updated')
break
case dueDate !== undefined:
const updateDateQuery = `
UPDATE
todo
SET
due_date = '${dueDate}'
WHERE
id = ${todoId}
;`
await db.run(updateDateQuery)
response.send('Due Date Updated')
break
}
})
// Delete Todo API-6
app.delete('/todos/:todoId/', async (request, response) => {
const {todoId} = request.params
const deleteTodoQuery = `
DELETE FROM
todo
WHERE
id=${todoId}
;`
await db.run(deleteTodoQuery)
response.send('Todo Deleted')
})
module.exports = app
const express = require('express')
const app = express()
app.use(express.json())
const format = require('date-fns/format')
const isValid = require('date-fns/isValid')
const toDate = require('date-fns/toDate')

const {open} = require('sqlite')
const sqlite3 = require('sqlite3')

const path = require('path')
const dbPath = path.join(__dirname, 'todoApplication.db')

let db = null

const initializeDBAndServer = async () => {
  try {
    db = await open({
      filename: dbPath,
      driver: sqlite3.Database,
    })
    app.listen(3000, () => {
      console.log('Server is running at http:/localhost:3000/')
    })
  } catch (e) {
    console.log(e.message)
  }
}

initializeDBAndServer()

const checkRequestsQueries = async (request, response, next) => {
  const {search_q, category, priority, status, date} = request.query
  const {todoId} = request.params
  if (category !== undefined) {
    categoryArray = ['WORK', 'HOME', 'LEARNING']
    const categoryIsInArray = categoryArray.includes(category)
    if (categoryIsInArray === true) {
      request.category = category
    } else {
      response.status(400)
      response.send('Invalid Todo Category')
      return
    }
  }

  if (priority !== undefined) {
    const priorityArray = ['HIGH', 'MEDIUM', 'LOW']
    const priorityIsInArray = priorityArray.includes(priority)
    if (priorityIsInArray === true) {
      request.priority = priority
    } else {
      response.status(400)
      response.send('Invalid Todo Priority')
      return
    }
  }

  if (status !== undefined) {
    const statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
    const statusIsInArray = statusArray.includes(status)
    if (statusIsInArray === true) {
      request.status = status
    } else {
      response.status(400)
      response.send('Invalid Todo Status')
      return
    }
  }

  if (date !== undefined) {
    try {
      const myDate = new Date(date)

      const formattedDate = format(new Date(date), 'yyyy-MM-dd')
      console.log(formattedDate, 'f')
      const result = toDate(
        new Date(
          `$(myDate.getFullYear()}-${
            myDate.getMonth() + 1
          }-${myDate.getDate()}`,
        ),
      )
      console.log(result, 'r')
      console.log(new Date(), 'new')

      const isValidDate = await isValid(result)
      console.log(isValidDate, 'V')
      if (isValidDate === true) {
        request.date = formattedDate
      } else {
        response.status(400)
        response.send('Invalid Due Date')
        return
      }
    } catch (e) {
      response.status(400)
      response.send('Invalid Due Date')
      return
    }
  }

  request.todoId = todoId
  request.search_q = search_q

  next()
}

const checkRequestsBody = (request, response, next) => {
  const {id, todo, category, priority, status, dueDate} = request.body
  const {todoId} = request.params

  if (category !== undefined) {
    categoryArray = ['WORK', 'HOME', 'LEARNING']
    categoryIsInArray = categoryArray.includes(category)

    if (categoryIsInArray === true) {
      request.category = category
    } else {
      response.status(400)
      response.send('Invalid Todo Category')
      return
    }
  }

  if (priority !== undefined) {
    priorityArray = ['HIGH', 'MEDIUM', 'LOW']
    priorityIsInArray = priorityArray.includes(priority)
    if (priorityIsInArray === true) {
      request.priority = priority
    } else {
      response.status(400)
      response.send('Invalid Todo Priority')
      return
    }
  }

  if (status !== undefined) {
    statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
    statusIsInArray = statusArray.includes(status)
    if (statusIsInArray === true) {
      request.status = status
    } else {
      response.status(400)
      response.send('Invalid Todo Status')
      return
    }
  }

  if (dueDate !== undefined) {
    try {
      const myDate = new Date(dueDate)
      const formattedDate = format(new Date(dueDate), 'yyyy-MM-dd')
      console.log(formattedDate)
      const result = toDate(new Date(formattedDate))
      const isValidDate = isValid(result)
      console.log(isValidDate)
      console.log(isValidDate)
      if (isValidDate === true) {
        request.dueDate = formattedDate
      } else {
        response.status(400)
        response.send('Invalid Due Date')
        return
      }
    } catch (e) {
      response.status(400)
      response.send('Invalid Due Date')
      return
    }
  }
  request.todo = todo
  request.id = id

  request.todoId = todoId

  next()
}

// Get Todos API-1
app.get('/todes/', checkRequestsQueries, async (request, response) => {
  const {status = '', search_q = '', priority = '', category = ''} = request
  console.log(status, search_q, priority, category)
  const getTodosQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM 
todo
WHERE
todo LIKE '%${search_q}%' AND priority LIKE '%${priority}%'
AND status LIKE '%${status}%' AND category LIKE "%${category}%';`

  const todosArray = await db.all(getTodosQuery)
  response.send(todosArray)
})

// GET Todo API-2
app.get('/todos/:todoId', checkRequestsQueries, async (request, response) => {
  const {todoId} = request

  const getTodosQuery = `
SELECT 
id,
todo,
priority,
status,
category,
due_dates AS dueDate
FROM
todo
WHERE
id = ${todoId};`

  const todo = await db.get(getTodosQuery)
  response.send(todo)
})

//GET Agenda API-3
app.get('/agenda/', checkRequestsQueries, async (request, response) => {
  const {date} = request
  console.log(date, 'a')

  const selectDueDateQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM
todo
WHERE
due_date = '${date}'
;`

  const todosArray = await db.all(selectDueDateQuery)

  if (todosArray === undefined) {
    response.status(400)
    response.send('Invalid Due Date')
  } else {
    response.send(todosArray)
  }
})

//Add Todo API-4
app.post('/todos/', checkRequestsBody, async (request, response) => {
  const {id, todo, category, priority, status, dueDate} = request

  const addTodoQuery = `
INSERT INTO
todo (id, todo, priority, status, category, due_date)
VALUES
(
${id},
'${todo}',
'${priority}',
'${status}',
'${category}',
'${dueDate}'
)
;`

  const createUser = await db.run(addTodoQuery)
  console.log(createUser)
  response.send('Todo Successfully Added')
})

//Update Todo API-5
app.put('/todos/:todoId/', checkRequestsBody, async (request, response) => {
  const {todoId} = request

  const {priority, todo, status, category, dueDate} = request

  let updateTodoQuery = null

  console.log(priority, todo, status, dueDate, category)
  switch (true) {
    case status !== undefined:
      updateTodoQuery = `
UPDATE
todo
SET
status = '${status}'
WHERE
id = ${todoId}
;`
      await db.run(updateTodoQuery)
      response.send('Status Updated')
      break
    case priority !== undefined:
      updateTodoQuery = `
UPDATE
todo
SET
priority = '${priority}'
WHERE
id = ${todoId}
;`
      await db.run(updateTodoQuery)
      response.send('Priority Updated')
      break
    case todo !== undefined:
      updateTodoQuery = `
UPDATE
todo
SET
todo = '${todo}'
WHERE
id = ${todoId}
;`
      await db.run(updateTodoQuery)
      response.send('Todo Updated')
      break
    case category !== undefined:
      const updateCategoryQuery = `
UPDATE
todo
SET
category = '${category}'
WHERE 
 id = ${todoId}
 ;`
      await db.run(updateCategoryQuery)
      response.send('Category Updated')
      break
    case dueDate !== undefined:
      const updateDateQuery = `
UPDATE
todo
SET
due_date = '${dueDate}'
WHERE
id = ${todoId}
;`
      await db.run(updateDateQuery)
      response.send('Due Date Updated')
      break
  }
})

// Delete Todo API-6
app.delete('/todos/:todoId/', async (request, response) => {
  const {todoId} = request.params
  const deleteTodoQuery = `
DELETE FROM
todo
WHERE
id=${todoId}
;`

  await db.run(deleteTodoQuery)
  response.send('Todo Deleted')
})
module.exports = app

const express = require('express')
const app = express()
app.use(express.json())
const format = require('date-fns/format')
const isValid = require('date-fns/isValid')
const toDate = require('date-fns/toDate')
const {open} = require('sqlite')
const sqlite3 = require('sqlite3')
const path = require('path')
const dbPath = path.join(__dirname, 'todoApplication.db')
let db = null
const initializeDBAndServer = async () => {
try {
db = await open({
filename: dbPath,
driver: sqlite3.Database,
})
app.listen(3000, () => {
console.log('Server is running at http:/localhost:3000/')
})
} catch (e) {
console.log(e.message)
}
}
initializeDBAndServer()
const checkRequestsQueries = async (request, response, next) => {
const {search_q, category, priority, status, date} = request.query
const {todoId} = request.params
if (category !== undefined) {
categoryArray = ['WORK', 'HOME', 'LEARNING']
const categoryIsInArray = categoryArray.includes(category)
if (categoryIsInArray === true) {
request.category = category
} else {
response.status(400)
response.send('Invalid Todo Category')
return
}
}
if (priority !== undefined) {
const priorityArray = ['HIGH', 'MEDIUM', 'LOW']
const priorityIsInArray = priorityArray.includes(priority)
if (priorityIsInArray === true) {
request.priority = priority
} else {
response.status(400)
response.send('Invalid Todo Priority')
return
}
}
if (status !== undefined) {
const statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
const statusIsInArray = statusArray.includes(status)
if (statusIsInArray === true) {
request.status = status
} else {
response.status(400)
response.send('Invalid Todo Status')
return
}
}
if (date !== undefined) {
try {
const myDate = new Date(date)
const formattedDate = format(new Date(date), 'yyyy-MM-dd')
console.log(formattedDate, 'f')
const result = toDate(
new Date(
`$(myDate.getFullYear()}-${
myDate.getMonth() + 1
}-${myDate.getDate()}`,
),
)
console.log(result, 'r')
console.log(new Date(), 'new')
const isValidDate = await isValid(result)
console.log(isValidDate, 'V')
if (isValidDate === true) {
request.date = formattedDate
} else {
response.status(400)
response.send('Invalid Due Date')
return
}
} catch (e) {
response.status(400)
response.send('Invalid Due Date')
return
}
}
request.todoId = todoId
request.search_q = search_q
next()
}
const checkRequestsBody = (request, response, next) => {
const {id, todo, category, priority, status, dueDate} = request.body
const {todoId} = request.params
if (category !== undefined) {
categoryArray = ['WORK', 'HOME', 'LEARNING']
categoryIsInArray = categoryArray.includes(category)
if (categoryIsInArray === true) {
request.category = category
} else {
response.status(400)
response.send('Invalid Todo Category')
return
}
}
if (priority !== undefined) {
priorityArray = ['HIGH', 'MEDIUM', 'LOW']
priorityIsInArray = priorityArray.includes(priority)
if (priorityIsInArray === true) {
request.priority = priority
} else {
response.status(400)
response.send('Invalid Todo Priority')
return
}
}
if (status !== undefined) {
statusArray = ['TO DO', 'IN PROGRESS', 'DONE']
statusIsInArray = statusArray.includes(status)
if (statusIsInArray === true) {
request.status = status
} else {
response.status(400)
response.send('Invalid Todo Status')
return
}
}
if (dueDate !== undefined) {
try {
const myDate = new Date(dueDate)
const formattedDate = format(new Date(dueDate), 'yyyy-MM-dd')
console.log(formattedDate)
const result = toDate(new Date(formattedDate))
const isValidDate = isValid(result)
console.log(isValidDate)
console.log(isValidDate)
if (isValidDate === true) {
request.dueDate = formattedDate
} else {
response.status(400)
response.send('Invalid Due Date')
return
}
} catch (e) {
response.status(400)
response.send('Invalid Due Date')
return
}
}
request.todo = todo
request.id = id
request.todoId = todoId
next()
}
// Get Todos API-1
app.get('/todes/', checkRequestsQueries, async (request, response) => {
const {status = '', search_q = '', priority = '', category = ''} = request
console.log(status, search_q, priority, category)
const getTodosQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM
todo
WHERE
todo LIKE '%${search_q}%' AND priority LIKE '%${priority}%'
AND status LIKE '%${status}%' AND category LIKE "%${category}%';`
const todosArray = await db.all(getTodosQuery)
response.send(todosArray)
})
// GET Todo API-2
app.get('/todos/:todoId', checkRequestsQueries, async (request, response) => {
const {todoId} = request
const getTodosQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_dates AS dueDate
FROM
todo
WHERE
id = ${todoId};`
const todo = await db.get(getTodosQuery)
response.send(todo)
})
//GET Agenda API-3
app.get('/agenda/', checkRequestsQueries, async (request, response) => {
const {date} = request
console.log(date, 'a')
const selectDueDateQuery = `
SELECT
id,
todo,
priority,
status,
category,
due_date AS dueDate
FROM
todo
WHERE
due_date = '${date}'
;`
const todosArray = await db.all(selectDueDateQuery)
if (todosArray === undefined) {
response.status(400)
response.send('Invalid Due Date')
} else {
response.send(todosArray)
}
})
//Add Todo API-4
app.post('/todos/', checkRequestsBody, async (request, response) => {
const {id, todo, category, priority, status, dueDate} = request
const addTodoQuery = `
INSERT INTO
todo (id, todo, priority, status, category, due_date)
VALUES
(
${id},
'${todo}',
'${priority}',
'${status}',
'${category}',
'${dueDate}'
)
;`
const createUser = await db.run(addTodoQuery)
console.log(createUser)
response.send('Todo Successfully Added')
})
//Update Todo API-5
app.put('/todos/:todoId/', checkRequestsBody, async (request, response) => {
const {todoId} = request
const {priority, todo, status, category, dueDate} = request
let updateTodoQuery = null
console.log(priority, todo, status, dueDate, category)
switch (true) {
case status !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
status = '${status}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Status Updated')
break
case priority !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
priority = '${priority}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Priority Updated')
break
case todo !== undefined:
updateTodoQuery = `
UPDATE
todo
SET
todo = '${todo}'
WHERE
id = ${todoId}
;`
await db.run(updateTodoQuery)
response.send('Todo Updated')
break
case category !== undefined:
const updateCategoryQuery = `
UPDATE
todo
SET
category = '${category}'
WHERE
id = ${todoId}
;`
await db.run(updateCategoryQuery)
response.send('Category Updated')
break
case dueDate !== undefined:
const updateDateQuery = `
UPDATE
todo
SET
due_date = '${dueDate}'
WHERE
id = ${todoId}
;`
await db.run(updateDateQuery)
response.send('Due Date Updated')
break
}
})
// Delete Todo API-6
app.delete('/todos/:todoId/', async (request, response) => {
const {todoId} = request.params
const deleteTodoQuery = `
DELETE FROM
todo
WHERE
id=${todoId}
;`
await db.run(deleteTodoQuery)
response.send('Todo Deleted')
})
module.exports = app