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#!/bin/bash
source /etc/profile;

##################################################
# Author: ouyangyewei                            #
#                                                #
# Content: Combineorder Algorithm                #
##################################################

# change workspace to here
cd /
cd /home/deploy/recsys/algorithm/schedule/project/combineorder

# generate product_sell data
yesterday=$(date -d '-1 day' '+%Y-%m-%d')
lastweek=$(date -d '-1 week' '+%Y-%m-%d')

/usr/local/cloud/hive/bin/hive<<EOF 
CREATE EXTERNAL TABLE IF NOT EXISTS product_sell(
category_id bigint,
province_id bigint,
product_id bigint,
price double,
sell_num bigint
)
PARTITIONED BY (ds string)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY '	'
LINES TERMINATED BY '
'
STORED AS TEXTFILE;

INSERT OVERWRITE TABLE product_sell PARTITION (ds='$yesterday') select a.category_id, b.good_receiver_province_id as province_id, a.id as product_id, (b.sell_amount/b.sell_num) as price, b.sell_num from product a join (select si.product_id, s.good_receiver_province_id, sum(si.order_item_amount) sell_amount, sum(si.order_item_num) sell_num from so_item si join so s on (si.order_id=s.id) where si.is_gift=0 and si.is_hidden=0 and si.ds between '$lastweek' and '$yesterday' group by s.good_receiver_province_id, si.product_id) b on (a.id=b.product_id);
EOF

# generate yhd_gmv_month data
yesterday=$(date -d '-1 day' '+%Y-%m-%d')
lastmonth=$(date -d '-1 month' '+%Y-%m-%d')

/usr/local/cloud/hive/bin/hive<<EOF 
CREATE EXTERNAL TABLE IF NOT EXISTS yhd_gmv_month(
province_id bigint,
price_area int,
product_id bigint,
sell_num bigint
)
PARTITIONED BY (ds string)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY '	'
LINES TERMINATED BY '
'
STORED AS TEXTFILE;

INSERT OVERWRITE TABLE yhd_gmv_month PARTITION (ds='$yesterday') select ssi.province_id, (case when price>0.0 and price<=10.0 then 0 when price>10.0 and price<=20.0 then 1 when price>20.0 and price<=30.0 then 2 when price>30.0 then 3 else -1 end) as price_area, ssi.product_id, ssi.sell_num from (select s.good_receiver_province_id as province_id, si.product_id, sum(si.order_item_num) as sell_num, sum(si.order_item_amount)/sum(si.order_item_num) as price from so_item si join so s on (si.order_id=s.id) where si.is_hidden=0 and si.is_gift=0 and si.ds between '$lastmonth' and '$yesterday' group by s.good_receiver_province_id, si.product_id) ssi;
EOF

# execute the combineorder algorithm job
cd /
cd /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/pms_category_rec_prod
hadoop jar /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/recommender-dm-1.0-SNAPSHOT.jar com.yhd.recommender.combineorder.schedule.CombineorderRecommendScheduler

# export "pms_category_rec_prod" data to mysql
cd /
cd /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/pms_category_rec_prod
hadoop jar /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/recommender-dm-1.0-SNAPSHOT.jar com.yhd.recommender.exporter.db.HdfsToDBProcessor

# check "yhd_gmv_month" is exist
yesterday=$(date -d '-1 day' '+%Y-%m-%d')
hadoop fs -test -e /user/hive/warehouse/yhd_gmv_month/ds=2014-08-27
if [ $? -ne 0 ] ;then
	echo 'Error! Directory is not exist'
else
# auto modify date time
oldestVersionDay=$(date -d '-3 day' '+%Y-%m-%d')
olderVersionDay=$(date -d '-2 day' '+%Y-%m-%d')
newVersionDay=$(date -d '-1 day' '+%Y-%m-%d')

sed -r -i '{s/oldestVersion=/user/hive/warehouse/yhd_gmv_month/ds=.*/oldestVersion=/user/hive/warehouse/yhd_gmv_month/ds='"${oldestVersionDay}"'/}' /home/deploy/recsys/algorithm/schedule/verifaction/combineorder/yhd_gmv_month/input/verification.properties
sed -r -i '{s/olderVersion=/user/hive/warehouse/yhd_gmv_month/ds=.*/olderVersion=/user/hive/warehouse/yhd_gmv_month/ds='"${olderVersionDay}"'/}' /home/deploy/recsys/algorithm/schedule/verifaction/combineorder/yhd_gmv_month/input/verification.properties
sed -r -i '{s/newVersion=/user/hive/warehouse/yhd_gmv_month/ds=.*/newVersion=/user/hive/warehouse/yhd_gmv_month/ds='"${newVersionDay}"'/}' /home/deploy/recsys/algorithm/schedule/verifaction/combineorder/yhd_gmv_month/input/verification.properties

# export "yhd_gmv_month" data to mysql
cd /
cd /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/yhd_gmv_month

hadoop jar /home/deploy/recsys/algorithm/schedule/project/combineorder/schedule/recommender-dm-1.0-SNAPSHOT.jar com.yhd.recommender.exporter.db.HdfsToDBProcessor
fi