<?php
header('Content-type: application/json');
require('connect.inc.php');
$periode = (isset($_REQUEST['period']) ? pg_escape_string($_REQUEST['period']) : NULL);
$pays = (isset($_REQUEST['country']) ? pg_escape_string($_REQUEST['country']) : NULL);
$label = (isset($_REQUEST['label']) ? pg_escape_string($_REQUEST['label']) : NULL);
$contentlist = (isset($_REQUEST['contentlist']) ? pg_escape_string($_REQUEST['contentlist']) : NULL);
$max_tag_order = (isset($_REQUEST['mto']) ? pg_escape_string($_REQUEST['mto']) : 12);
$content_count = (isset($_REQUEST['contentcount']) ? pg_escape_string($_REQUEST['contentcount']) : 12);
$tag_count = (isset($_REQUEST['tagcount']) ? pg_escape_string($_REQUEST['tagcount']) : 30);
$cont_count = 0;
if ($label or $pays or $periode or gettype($contentlist) != "NULL") {
$globalsql = "SELECT id, title, description, url, latitude, longitude FROM hdabo_datasheet E LEFT JOIN hdaviz_datasheet_insee K ON E.id = K.datasheet_id LEFT JOIN hdaviz_insee_coords Q ON K.insee_code = Q.code_insee";
$globalids = array();
$globalfilters = array("validated=TRUE");
if ($periode) {
$years = split(',',$periode);
$start_year = $years[0];
$end_year = (count($years) > 1 ? $years[1] : $start_year);
$delta = max( 1, floor( ($end_year - $start_year ) / 2 ) );
$minstart = $start_year - $delta;
$maxend = $end_year + $delta;
$rq = pg_query("SELECT tag_id FROM hdaviz_years WHERE end_year >= $start_year AND start_year <= $end_year AND end_year <= $maxend AND start_year >= $minstart");
$ids = array();
while($ligne = pg_fetch_row($rq)) {
$ids[] = $ligne[0];
}
pg_free_result($rq);
$globalids = $ids;
$globalfilters[] = "EXISTS (SELECT * FROM hdabo_taggedsheet F WHERE F.tag_id IN (" . join(",", $ids) . ") AND F.order <= $max_tag_order AND F.datasheet_id = E.id)";
}
if ($pays) {
$listepays = split(',',$pays);
foreach ($listepays as $unpays) {
$rq = pg_query("SELECT id FROM hdaviz_inclusiongeo WHERE isocode='$unpays'");
$ids = array();
while($ligne = pg_fetch_row($rq)) {
$ids[] = $ligne[0];
}
pg_free_result($rq);
$globalids = array_merge($globalids,$ids);
$globalfilters[] = "EXISTS (SELECT * FROM hdabo_taggedsheet G WHERE G.tag_id IN (" . join(",", $ids) . ") AND G.order <= $max_tag_order AND G.datasheet_id = E.id)";
}
}
if ($label) {
$lblist = split(',',$label);
foreach ($lblist as $txtlbl) {
$rq = pg_query("SELECT id FROM hdabo_tag WHERE label ILIKE '$txtlbl'");
$ids = array();
while($ligne = pg_fetch_row($rq)) {
$ids[] = $ligne[0];
}
pg_free_result($rq);
$globalids = array_merge($globalids,$ids);
$globalfilters[] = "EXISTS (SELECT * FROM hdabo_taggedsheet G WHERE G.tag_id IN (" . join(",", $ids) . ") AND G.order <= $max_tag_order AND G.datasheet_id = E.id)";
}
}
if (gettype($contentlist) != "NULL") {
if ($contentlist) {
$globalfilters[] = "id IN ($contentlist)";
} else {
$globalfilters[] = "id IS NULL";
}
}
$globalsql = $globalsql.(count($globalfilters) ? " WHERE ".join($globalfilters," AND ") : "" );
if (!$label && !$periode && gettype($contentlist)=="NULL") {
$globalsql = $globalsql." ORDER BY RANDOM()";
}
$rq = pg_query($globalsql);
$contenus = array();
while($ligne = pg_fetch_assoc($rq)) {
$cont_count++;
$ligne["score"] = 0;
$ligne["tags"] = array();
$contenus[$ligne["id"]] = $ligne;
}
pg_free_result($rq);
$rq = pg_query("SELECT DISTINCT label FROM hdabo_tag WHERE category_id=5");
$disciplines = array();
while($ligne = pg_fetch_row($rq)) {
$disciplines[$ligne[0]] = array("label" => $ligne[0], "score" => 0);
}
pg_free_result($rq);
$tags = array();
$contentids = join(",",array_keys($contenus));
if ($contentids) {
$rq = pg_query("SELECT L.datasheet_id, L.tag_id, M.label, L.order, M.category_id FROM hdabo_taggedsheet L, hdabo_tag M WHERE L.datasheet_id IN ($contentids) AND L.tag_id = M.id AND L.order <= $max_tag_order ORDER BY L.order ASC");
while($ligne = pg_fetch_row($rq)) {
$match_tag = in_array($ligne[1], $globalids);
$contenus[$ligne[0]]["tags"][] = array("id" => $ligne[1], "label" => $ligne[2], "order" => $ligne[3], "match" => $match_tag);
$tagscore = 2*$max_tag_order-$ligne[3];
if (!in_array($ligne[4], array(1,2,5))) {
if (!isset($tags[$ligne[1]])) {
$tags[$ligne[1]] = array("id" => $ligne[1], "label" => $ligne[2], "score" => 0);
}
$tags[$ligne[1]]["score"] += $tagscore;
if ($match_tag) {
$tags[$ligne[1]]["match"] = True;
}
}
if ($match_tag) {
$contenus[$ligne[0]]["score"] += $tagscore;
}
/* if (isset($countries[$ligne[2]])) {
$countries[$ligne[2]]["score"] += $tagscore;
}
*/
if (isset($disciplines[$ligne[2]])) {
$disciplines[$ligne[2]]["score"] += $tagscore;
}
}
pg_free_result($rq);
}
function triscore($a, $b) {
return $b["score"] - $a["score"];
}
if (!$contentlist) {
usort($contenus,"triscore");
$contenus = array_slice($contenus, 0, $content_count);
} else {
$contenus = array_values($contenus);
}
usort($tags,"triscore");
usort($disciplines,"triscore");
/* $countries = array_values($countries);
*/
$tags = array_slice($tags, 0, $tag_count);
$disciplines = array_slice($disciplines, 0, 10);
$years = array();
$countries = array();
if ($contentids) {
$rq = pg_query("SELECT U.start_year, U.end_year, COUNT(*) score FROM hdaviz_years U, hdabo_taggedsheet V WHERE U.tag_id = V.tag_id AND V.order <= $max_tag_order AND V.datasheet_id IN ($contentids) GROUP BY U.start_year, U.end_year");
while($ligne = pg_fetch_row($rq)) {
foreach(range($ligne[0], $ligne[1]) as $year) {
$years[$year] = $ligne[2] + ( isset($years[$year]) ? $years[$year] : 0 );
}
}
pg_free_result($rq);
$rq = pg_query("SELECT U.isocode, COUNT(*) FROM hdaviz_inclusiongeo U, hdabo_taggedsheet V WHERE U.id = V.tag_id AND V.order <= $max_tag_order AND V.datasheet_id IN ($contentids) GROUP BY U.isocode");
while($ligne = pg_fetch_row($rq)) {
$countries[$ligne[0]] = $ligne[1];
}
pg_free_result($rq);
}
} else {
$rq = pg_query("SELECT id, title, description, url, latitude, longitude FROM hdabo_datasheet E LEFT JOIN hdaviz_datasheet_insee K ON E.id = K.datasheet_id LEFT JOIN hdaviz_insee_coords Q ON K.insee_code = Q.code_insee WHERE validated=TRUE ORDER BY RANDOM() LIMIT $content_count");
while($ligne = pg_fetch_assoc($rq)) {
$ligne["tags"] = array();
$contenus[$ligne["id"]] = $ligne;
}
$rq = pg_query("SELECT COUNT(*) FROM hdabo_datasheet WHERE validated=TRUE");
$ligne = pg_fetch_row($rq);
$cont_count = $ligne[0];
pg_free_result($rq);
$rq = pg_query("SELECT L.datasheet_id, L.tag_id, M.label, L.order FROM hdabo_taggedsheet L, hdabo_tag M WHERE L.datasheet_id IN (".join(",",array_keys($contenus)).") AND L.tag_id = M.id AND L.order <= $max_tag_order ORDER BY L.order ASC");
while($ligne = pg_fetch_row($rq)) {
$contenus[$ligne[0]]["tags"][] = array("id" => $ligne[1], "label" => $ligne[2], "order" => $ligne[3]);
}
pg_free_result($rq);
$contenus = array_values($contenus);
$rq = pg_query("SELECT label, SUM(".(2*$max_tag_order)." - V.order) score FROM hdabo_tag U, hdabo_taggedsheet V WHERE U.id = V.tag_id AND V.order <= $max_tag_order AND category_id NOT IN (1,2,5) AND EXISTS (SELECT * FROM hdabo_datasheet W WHERE V.datasheet_id = W.id AND W.validated=TRUE) GROUP BY label ORDER BY score DESC LIMIT $tag_count");
$tags = pg_fetch_all($rq);
pg_free_result($rq);
$rq = pg_query("SELECT A.label, COUNT(*) score FROM hdabo_tag A, hdabo_taggedsheet B WHERE A.id = B.tag_id AND B.order <= $max_tag_order AND A.category_id=5 AND EXISTS (SELECT * FROM hdabo_datasheet W WHERE B.datasheet_id = W.id AND W.validated=TRUE) GROUP BY A.label ORDER BY score DESC LIMIT 10");
$disciplines = pg_fetch_all($rq);
pg_free_result($rq);
$rq = pg_query("SELECT U.start_year, U.end_year, COUNT(*) FROM hdaviz_years U, hdabo_taggedsheet V WHERE U.tag_id = V.tag_id AND V.order <= $max_tag_order AND EXISTS (SELECT * FROM hdabo_datasheet W WHERE V.datasheet_id = W.id AND W.validated=TRUE) GROUP BY U.start_year, U.end_year");
$years = array();
while($ligne = pg_fetch_row($rq)) {
foreach(range($ligne[0], $ligne[1]) as $year) {
$years[$year] = $ligne[2] + ( isset($years[$year]) ? $years[$year] : 0 );
}
}
pg_free_result($rq);
$countries = array();
$rq = pg_query("SELECT U.isocode, COUNT(*) FROM hdaviz_inclusiongeo U, hdabo_taggedsheet V WHERE U.id = V.tag_id AND V.order <= $max_tag_order AND EXISTS (SELECT * FROM hdabo_datasheet W WHERE V.datasheet_id = W.id AND W.validated=TRUE) GROUP BY U.isocode");
while($ligne = pg_fetch_row($rq)) {
$countries[$ligne[0]] = $ligne[1];
}
pg_free_result($rq);
}
ksort($years);
$yearchange = array();
foreach($years as $year => $score) {
if ($year < 2011) {
if (!isset($years[$year-1]) || $years[$year-1] != $score) {
$yearchange[] = array('year' => $year, 'score' => $score);
}
if (!isset($years[$year+1]) && ($year != -1)) {
$yearchange[] = array('year' => $year + 1, 'score' => 0);
}
}
}
$output = array("count" => $cont_count, "contents" => $contenus, "tags" => $tags, "sparkline" => $yearchange, "countries" => $countries, "disciplines" => $disciplines);
echo json_encode($output);
?>