feat(zhv): add zhv

gtfs/dload/crontab

@@ -1,4 +1,4 @@
 HOME=<set variable!>
 # m h  dom mon dow   command
-23 0 * * Tue,Thu cd $HOME/git/gtfs4delfi/dload && sh ./dload.sh <work dir> <url>
+23 0 * * Tue,Thu cd $HOME/git/delfi/gtfs/dload && sh ./dload.sh <work dir> <url>
 27 0 * * Tue,Thu echo 'Next!'

readme.md

@@ -4,6 +4,5 @@
 mkdir -p ~/git
 cd ~/git
 git clone https://git.wtf-eg.de/dancesWithCycles/delfi.git
-cd delfi/
-crontab -e
+cd ~/git/delfi/
 ```

zhv/dload/crontab

@@ -0,0 +1,4 @@
+HOME=<set variable!>
+# m h  dom mon dow   command
+23 0 * * Tue,Thu cd $HOME/git/delfi/zhv/dload && sh ./dload.sh <work dir> <url>
+27 0 * * Tue,Thu echo 'Next!'

zhv/dload/dload.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+#
+echo "Started..."
+#Started...
+#
+# special variable $# is the number of arguments
+if [ $# -lt 2 ] ; then
+    echo 'Call ./<script> <work dir> <dload URL>'
+    exit 1
+fi
+#
+WORK_DIR="$1"
+echo "WORK_DIR: $WORK_DIR"
+dloadDir=${WORK_DIR}/zhv
+echo "dloadDir: $dloadDir"
+rm -r $dloadDir
+mkdir -p $dloadDir
+logFile=${dloadDir}/wget-log.txt
+echo "logFile: $logFile"
+dloadFile=${dloadDir}/zhv.zip
+echo "dloadFile: $dloadFile"
+dloadUrl=$2
+echo "dloadUrl: $dloadUrl"
+wget -o $logFile -O $dloadFile $dloadUrl
+#
+unzipDir=${dloadDir}/unzip
+echo "unzipDir: $unzipDir"
+mkdir -p $unzipDir
+unzip -qq -d $unzipDir $dloadFile
+#
+echo "Done."
+#done.

zhv/makefile

@@ -0,0 +1,21 @@
+SHELL := /bin/bash
+
+TABLES = stops
+
+SCHEMA = zhv
+
+psql = $(strip psql -v schema=$(SCHEMA))
+
+# $(addprefix prefix,names…): The argument names is regarded as a series of names, separated by whitespace; prefix is used as a unit. The value of prefix is prepended to the front of each individual name and the resulting larger names are concatenated with single spaces between them.
+#
+# FORMAT(format_string [, format_arg [, ...] ])
+load: $(addprefix load-,$(TABLES))
+	@$(psql) -t -A -c "SELECT FORMAT('* loaded %s', feed_file) WHERE feed_file = '$(GTFS)';"
+
+copy: $(ZHV)
+	$(psql) -c "\copy zhv.stops(stop_seq_no,stop_type,stop_dhid,stop_parent,stop_name,stop_lat,stop_lon,stop_municipality_code,stop_municipality,stop_district_code,stop_district,stop_condition,stop_state,stop_description,stop_authority,stop_delfi_name,stop_tariff_dhid,stop_tariff_name) FROM '$<' DELIMITER ';' CSV HEADER;"
+
+# -v: variable assignment, like the /set meta-command
+# $<: name of the firest prerequisite
+init: sql/schema.sql
+	$(psql) -v ON_ERROR_STOP=on -f $<

zhv/readme.md

@@ -0,0 +1,31 @@
+# zhv
+
+* checkout repository
+```
+mkdir ~/git && cd ~/git
+git clone https://git.wtf-eg.de/dancesWithCycles/delfi.git
+```
+
+* configure cron
+```
+cd ~/git/delfi/zhv
+cat dload/crontab
+crontab -e
+crontab -l
+```
+
+* make sure to set variables like `PGDATABASE`, `PGUSER`, `PGHOST`, `PGPORT` aaso. appropriately
+
+* initialize database
+
+```
+cd ~/git/delfi/zhv
+make init
+```
+
+* load database
+
+```
+cd ~/git/delfi/zhv
+make copy ZHV=<CSV file>
+```

zhv/sql/schema.sql

@@ -0,0 +1,28 @@
+-- colon before variable: for a prepared statement using named placeholders, this will be a parameter name of the form :name
+BEGIN;
+CREATE SCHEMA IF NOT EXISTS :schema;
+SET search_path to :schema, public;
+
+CREATE TABLE stops(
+stop_seq_no BIGSERIAL NOT NULL,
+stop_type VARCHAR(7),
+stop_dhid VARCHAR(63),
+stop_parent VARCHAR(31),
+stop_name TEXT,
+stop_lat VARCHAR(31),
+stop_lon VARCHAR(31),
+stop_municipality_code VARCHAR(15),
+stop_municipality VARCHAR(63),
+stop_district_code VARCHAR(15),
+stop_district VARCHAR(31),
+stop_condition VARCHAR(31),
+stop_state VARCHAR(31),
+stop_description TEXT,
+stop_authority TEXT,
+stop_delfi_name VARCHAR(31),
+stop_tariff_dhid VARCHAR(31),
+stop_tariff_name TEXT,
+CONSTRAINT stops_pkey PRIMARY KEY (stop_seq_no)
+);
+
+COMMIT;