from .model import Article
from .model import ArticleSchema
#import flask
from datetime import datetime
import json
from src.database import db_session, read_json
from src.controller import BaseController
class ArtController(BaseController):
    __myclass__=Article
    __jsonid__='article'
    def pagination_params(self,v):
        try:
            if v.has_key("per_page"):
                pp=int(v["per_page"])
            else:
                pp=20
            if v.has_key("page"):
                o=(int(v["page"])-1) *pp
            else:
                o=0
        except ValueError:
            pp=20
            o=0
        if not (isinstance(pp,int) and pp>0 and pp<10000):
            pp=20
        if not (isinstance(o,int) and o>=0 and o<100000):
            o=0
        p1=(pp,o)
        return p1

    def search(self,s):
        return Article.query.filter(Article.title.like("%"+s+"%")).order_by(Article.published_date.desc()).limit(20).all()


    def get_all(self):
        return Article.query.order_by(Article.published_date.desc()).all()


    def get_all_page(self,lim, off):
        return Article.query.order_by(Article.published_date.desc()).limit(lim).offset(off).all()


    def get_section_page(self,section_id, lim, off):
        return Article.query.filter(Article.section_id==section_id).order_by(Article.published_date.desc()).limit(lim).offset(off).all()


    def get_section_page(section_id, lim, off):
        return Article.query.filter(Article.section_id==section_id).order_by(Article.published_date.desc()).limit(lim).offset(off).all()

    def section_count(section_id):
        return Article.query.filter(Article.section_id==section_id).count()

    def count():
        return Article.query.count()


controller=ArtController()