1 files changed, 78 insertions, 0 deletions
diff --git a/src/main/java/dev/dnpm/services/DefaultStudienService.java b/src/main/java/dev/dnpm/services/DefaultStudienService.java
new file mode 100644
index 0000000..5c65842
--- /dev/null
+++ b/src/main/java/dev/dnpm/services/DefaultStudienService.java
@@ -0,0 +1,78 @@
+package dev.dnpm.services;
+
+import dev.dnpm.dto.Studie;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import javax.sql.DataSource;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Standardimplementierung zum Ermitteln von Studien
+ *
+ * @since 0.0.2
+ */
+public class DefaultStudienService implements StudienService {
+
+    private final JdbcTemplate jdbcTemplate;
+
+    public DefaultStudienService(final DataSource dataSource) {
+        this.jdbcTemplate = new JdbcTemplate(dataSource);
+    }
+
+    @Override
+    public List<Studie> findAll() {
+        var sql = "SELECT pcc.name, pcv.version_number, TRIM(studie.studien_nummer) AS studien_nummer, studie.startdatum, studie.endedatum, pcve.code, pcve.shortdesc, pcve.description, studie.aktiv FROM studie "
+                + "LEFT JOIN category_entry ce ON ce.version_entry_id = studie.property_version_entry "
+                + "LEFT JOIN property_catalogue_category pcc ON pcc.id = ce.category_id "
+                + "JOIN property_catalogue_version_entry pcve ON pcve.id = studie.property_version_entry "
+                + "JOIN property_catalogue_version pcv ON pcv.id = pcve.property_version_id "
+                + "JOIN property_catalogue pc ON pc.id = pcv.datacatalog_id "
+                + "WHERE pc.name = 'OS.Studien'"
+                + "ORDER BY TRIM(studie.studien_nummer)";
+
+        return this.jdbcTemplate.query(sql, (resultSet, i) -> new Studie(
+                resultSet.getString("name"),
+                resultSet.getInt("version_number"),
+                resultSet.getString("code"),
+                resultSet.getString("studien_nummer"),
+                resultSet.getString("shortdesc"),
+                resultSet.getString("description"),
+                resultSet.getBoolean("aktiv")
+        ));
+    }
+
+    @Override
+    public List<Studie> findByQuery(String query) {
+        var sql = "SELECT pcc.name, pcv.version_number, TRIM(studie.studien_nummer) AS studien_nummer, studie.startdatum, studie.endedatum, pcve.code, pcve.shortdesc, pcve.description, studie.aktiv FROM studie "
+                + "LEFT JOIN category_entry ce ON ce.version_entry_id = studie.property_version_entry "
+                + "LEFT JOIN property_catalogue_category pcc ON pcc.id = ce.category_id "
+                + "JOIN property_catalogue_version_entry pcve ON pcve.id = studie.property_version_entry "
+                + "JOIN property_catalogue_version pcv ON pcv.id = pcve.property_version_id "
+                + "JOIN property_catalogue pc ON pc.id = pcv.datacatalog_id "
+                + "WHERE pc.name = 'OS.Studien' AND (pcve.shortdesc LIKE ? OR pcve.description LIKE ? OR studie.studien_nummer LIKE ?)"
+                + "ORDER BY TRIM(studie.studien_nummer)";
+
+        var like = String.format("%%%s%%", query);
+
+        return this.jdbcTemplate.query(sql, new Object[]{like, like, like}, (resultSet, i) -> new Studie(
+                resultSet.getString("name"),
+                resultSet.getInt("version_number"),
+                resultSet.getString("code"),
+                resultSet.getString("studien_nummer"),
+                resultSet.getString("shortdesc"),
+                resultSet.getString("description"),
+                resultSet.getBoolean("aktiv")
+        ));
+    }
+
+    @Override
+    public List<Studie> findActive() {
+        return findAll().stream().filter(Studie::isActive).collect(Collectors.toList());
+    }
+
+    @Override
+    public List<Studie> findActiveByQuery(String query) {
+        return findByQuery(query).stream().filter(Studie::isActive).collect(Collectors.toList());
+    }
+}