Sun May 11 2025
11 : 59 : 06 PM

Khmer Web

Gateway to web application
Creating Categories Template
ថ្ងៃ ព្រហស្បតិ៍ ទី ២៩ តុលា ២០២០
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#controllers/category.py
import config, lib, datetime, uuid
from pytz import timezone
from bottle import route, template, request, redirect, response
from models import categorydb, settingdb, postdb
 
def getTimeZone():
  khtz = timezone('Asia/Phnom_Penh')
  date = datetime.datetime.now().astimezone(tz=khtz).strftime('%d-%m-%Y')
  time = datetime.datetime.now().astimezone(tz=khtz).strftime('%H:%M:%S')
  return (date, time)
 
@route('/category')
def post():
  config.reset(settingdb.select())
  config.kargs['blogTitle'] = "ទំព័រ​ជំពូក"
  config.kargs['posts'] = categorydb.select(config.kargs['dashboardPostLimit'])
  config.kargs['thumbs'] = lib.getPostThumbs(config.kargs['posts'])
  config.kargs['datetime'] = getTimeZone()
  config.kargs['page'] = 1
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if author:
    config.kargs['author'] = author
    config.kargs['showEdit'] = True
 
  return template('dashboard/category', data=config.kargs)
 
@route('/category/<id:int>')
def post(id):
  config.reset(settingdb.select())
  config.kargs['blogTitle'] = "ទំព័រ​ការផ្សាយ"
  config.kargs['post'] = categorydb.select(1, id)
  config.kargs['posts'] = categorydb.select(config.kargs['frontPagePostLimit'])
  print(len(config.kargs['posts']))
  config.kargs['thumbs'] = lib.getPostThumbs(config.kargs['posts'])
  config.kargs['page'] = 1
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if author:
    config.kargs['showEdit'] = True
 
  return template('category', data=config.kargs)
 
@route('/categories/<name>')
def category(name):
  config.reset(settingdb.select())
  config.kargs['blogTitle'] = "ទំព័រ​ជំពូក"
  config.kargs['category'] = name
  config.kargs['posts'] = postdb.select(config.kargs['categoryPostLimit'], category=name)
  config.kargs['thumbs'] = lib.getPostThumbs(config.kargs['posts'])
  config.kargs['page'] = 1
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if author:
    config.kargs['showEdit'] = True
 
  return template('categories', data=config.kargs)
 
@route('/categorizing', method="POST")
def posting():
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if ((author != "Guest") and categorydb.check(author)):
    title = request.forms.getunicode('fpost-title')
    if title == "":
      title = "untitled"
 
    postdate = request.forms.getunicode('fpost-date')
    posttime = request.forms.getunicode('fpost-time')
    content = request.forms.getunicode('fcontent')
 
    try:
      postdate = datetime.datetime.strptime(postdate, "%d-%m-%Y")
    except ValueError:
      config.kargs['message'] = 'ទំរង់​កាលបរិច្ឆេទ​មិន​ត្រឹមត្រូវ!'
      return template('dashboard/category', data=config.kargs)
 
    try:
      posttime = datetime.datetime.strptime(posttime, "%H:%M:%S")
    except ValueError:
      config.kargs['message'] = 'ទំរង់​ពេល​វេលា​មិន​ត្រឹមត្រូវ!'
      return template('dashboard/category', data=config.kargs)
 
    if 'postId' in config.kargs:
      id = config.kargs['postId']
      categorydb.update(title, postdate, posttime, content, id)
      del config.kargs['postId']
    else:
      categorydb.insert(str(uuid.uuid4().int), title, author, postdate, posttime, content)
   
  redirect('/category')
 
@route('/category/delete/<id:int>')
def delete(id):
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if ((author != "Guest") and categorydb.check(author)):
    categorydb.delete(id)
 
  redirect('/category')
 
@route('/category/edit/<id:int>')
def edit(id):
  author = request.get_cookie("logged-in", secret=config.kargs['secretKey'])
  if ((author != "Guest") and categorydb.check(author)):
    config.reset(settingdb.select())
    config.kargs['blogTitle'] = "ទំព័រ​កែ​តំរូវ"
    config.kargs['posts'] = categorydb.select(config.kargs['dashboardPostLimit'])
    config.kargs['thumbs'] = lib.getPostThumbs(config.kargs['posts'])
    config.kargs['post'] = categorydb.select(1, id)
    config.kargs['edit'] = True
    config.kargs['postId'] = id
    config.kargs['page'] = 1
    return template('dashboard/category', data=config.kargs)
   
  redirect('/category')
 
@route('/category/paginate/<place>')
def paginate(place):
  if place == "backend":
    postLimit = config.kargs['dashboardPostLimit']
  else:
    postLimit = config.kargs['frontPagePostLimit']
 
  posts = categorydb.select(postLimit, page=config.kargs['page'])
   
  def toString(post):
    post[3] = post[3].strftime('%d-%m-%Y')
    post[4] = post[4].strftime('%H:%M:%S')
 
  if posts:
    config.kargs['page'] += 1
    posts = [list(obj) for obj in posts ]
 
    [toString(obj) for obj in posts]
    thumbs = lib.getPostThumbs(posts)
    print(posts)
    return {'json':posts, 'thumbs':thumbs}
  else:
    return {'json':0}
   
@route('/categories/paginate/<category>')
def paginate(category):
  posts = postdb.select(config.kargs['categoryPostLimit'], category=category, page=config.kargs['page'])
   
  def toString(post):
    post[3] = post[3].strftime('%d-%m-%Y')
    post[4] = post[4].strftime('%H:%M:%S')
 
  if posts:
    config.kargs['page'] += 1
    posts = [list(obj) for obj in posts ]
 
    [toString(obj) for obj in posts]
    thumbs = lib.getPostThumbs(posts)
    print(posts)
    return {'json':posts, 'thumbs':thumbs}
  else:
    return {'json':0}
  
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#models/postdb.py
import os
import psycopg2
 
def createTable():
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
 
  SQL = '''CREATE TABLE IF NOT EXISTS POST(
  ID TEXT,
  TITLE TEXT,
  AUTHOR TEXT,
  POSTDATE DATE,
  POSTTIME TIME,
  CATEGORY TEXT,
  CONTENT TEXT
  )'''
 
  cursor.execute(SQL)
   
  conn.commit()
  conn.close()
 
def insert(*post):
  createTable()
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
 
  cursor.execute("INSERT INTO POST (ID, TITLE, AUTHOR, POSTDATE, POSTTIME, CATEGORY, CONTENT) VALUES %s ", (post,))
   
  conn.commit()
  conn.close()
 
def select(amount, id=None, page=0, category=0):
  createTable()
 
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
  if id and (amount == 1):
    cursor.execute("SELECT * FROM POST WHERE ID = '" + str(id) +"'")
  elif page:
    SQL = "SELECT * FROM POST ORDER BY POSTDATE DESC, POSTTIME DESC OFFSET %s ROWS FETCH NEXT %s ROWS ONLY"
    cursor.execute(SQL, (amount*page, amount))
  elif category:
    cursor.execute("SELECT * FROM POST WHERE CATEGORY = '" + category +"' ORDER BY POSTDATE DESC, POSTTIME DESC LIMIT " + str(amount))
  elif category and page:
    SQL = "SELECT * FROM POST WHERE CATEGORY = '%s' ORDER BY POSTDATE DESC, POSTTIME DESC OFFSET %s ROWS FETCH NEXT %s ROWS ONLY"
    cursor.execute(SQL, (category, amount*page, amount))
  else:
    cursor.execute("SELECT * FROM POST ORDER BY POSTDATE DESC, POSTTIME DESC LIMIT " + str(amount))
     
  result = cursor.fetchall()
  return result
 
def check(username):
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
 
  cursor.execute("SELECT USERNAME FROM USERS WHERE USERNAME = '"+ username + "' LIMIT 1")
  result = cursor.fetchone()
  if result:
    return True
  else:
    return False
 
def delete(id):
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
 
  cursor.execute("DELETE FROM POST WHERE ID = '" + str(id) + "'")
 
  conn.commit()
  conn.close()
 
def update(*args):
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
 
  sql = "UPDATE POST SET TITLE = %s, POSTDATE = %s, POSTTIME = %s, CATEGORY = %s, CONTENT = %s WHERE ID = '%s' "
   
  cursor.execute(sql, args)
   
  conn.commit()
  conn.close()
 
def search(query):
  createTable()
 
  if 'DYNO' in os.environ:
    DATABASE_URL = os.environ['DATABASE_URL']
    conn = psycopg2.connect(DATABASE_URL, sslmode='require')
    cursor = conn.cursor()
  else:
    conn = psycopg2.connect(
      database="postgres",
      user="postgres",
      password="sokhavuth",
      host="localhost",
      port="5432"
    )
 
    cursor = conn.cursor()
   
  sql = "SELECT * from POST WHERE"
  sql += " TITLE LIKE '%"+query+"%'"
  sql += " OR CONTENT LIKE '%"+query+"%'"
  sql += " ORDER BY POSTDATE DESC, POSTTIME DESC LIMIT 20"
 
  cursor.execute(sql)
     
  result = cursor.fetchall()
  return result

GitHub: https://github.com/Sokhavuth/kwblog
Heroku: https://khmerweb-kwblog.herokuapp.com/