100 lines
2.7 KiB
Bash
Executable File
100 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eE
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ROWS=50000000
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PAGES=0
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ND=$(date +%s%N | cut -b1-13)
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USER_AGENT='Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/109.0'
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F_CALLS='calls.csv'
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F_TAR_GZ='calls.tar.gz'
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F_COOKIES='cookies.txt'
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APP=(wget jq tar gzip)
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function getCookies() {
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echo "Getting cookies..."
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wget -q --ca-certificate=AC_Componentes_Informaticos_SHA256.crt --keep-session-cookies --save-cookies $F_COOKIES --header "User-Agent: $USER_AGENT" 'https://www.infosubvenciones.es/' &> /dev/null
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}
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function fetchCalls() {
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local outputFile="page_$(printf %03d "$1").json"
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echo "Downloading page $1 of $2..."
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if [ -z ${COOKIE+x} ]; then
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wget -q --ca-certificate=AC_Componentes_Informaticos_SHA256.crt --keep-session-cookies --load-cookies $F_COOKIES --header "User-Agent: $USER_AGENT" -O "$outputFile" "https://www.infosubvenciones.es/bdnstrans/busqueda?type=convs&_search=false&nd=$ND&rows=$ROWS&page=$1&sidx=4&sord=asc"
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else
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wget -q --ca-certificate=AC_Componentes_Informaticos_SHA256.crt --keep-session-cookies --header "Cookie: $COOKIE" --header "User-Agent: $USER_AGENT" -O "$outputFile" "https://www.infosubvenciones.es/bdnstrans/busqueda?type=convs&_search=false&nd=$ND&rows=$ROWS&page=$1&sidx=4&sord=asc"
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fi
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}
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export -f fetchCalls
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function getNumPages() {
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local page=1
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local outputFile="page_$(printf %03d $page).json"
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echo "Getting number of pages..."
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fetchCalls $page $PAGES
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PAGES=$(jq '.total' "$outputFile")
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local records=$(jq '.records' "$outputFile")
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echo "Total pages: $PAGES"
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echo "Total records: $records"
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if [[ $PAGES -le 0 ]]; then
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errorHandler "Cannot get number of pages" "$LINENO"
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fi
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}
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function getAllCalls() {
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echo "Downloading all calls..."
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seq 2 "$PAGES" | xargs -I page -n 1 -P 5 bash -c "fetchCalls page $PAGES"
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}
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function convertJson2Csv() {
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echo "Converting JSON to CSV..."
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for file in *.json; do jq -r '.rows[] | [.[]] | @csv' "$file"; done > $F_CALLS
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}
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function compressData() {
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echo "Compressing data..."
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tar -czf $F_TAR_GZ $F_CALLS
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}
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function cleanTempFiles() {
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echo "Cleaning temporary files..."
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rm -f ./*.json $F_COOKIES
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}
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function errorHandler() {
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echo "Error: ($1) occurred on line $2"
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cleanTempFiles
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exit 1
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}
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trap 'errorHandler $? $LINENO' ERR
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trap "echo -e '\nTerminated by Ctrl+c'; cleanTempFiles; exit" INT
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for element in "${APP[@]}"; do
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[ -z "$(whereis -b "$element" | awk {'print$2'})" ] && errorHandler "$element - Maybe it is not installed on the system. Sorry but I can't continue" "$LINENO"
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done
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if [ -z ${COOKIE+x} ]; then
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echo "Manual cookie is unset";
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getCookies;
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else
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echo "Manual cookie is set. Skipping get cookie step";
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fi
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getNumPages
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getAllCalls
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convertJson2Csv
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compressData
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cleanTempFiles
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