1 files changed, 89 insertions, 0 deletions
diff --git a/src/backend/querydb.py b/src/backend/querydb.py
new file mode 100644
index 0000000..bc87123
--- /dev/null
+++ b/src/backend/querydb.py
@@ -0,0 +1,89 @@
+#!usr/bin/python3
+
+def start(filter, cat='', pn='', desc=''):
+    NOVIRT = "AND cat NOT LIKE 'virtual'"
+    SELECTS = {
+        'all': f'''SELECT
+                    i.category AS cat,
+                    i.name as pn,
+                    i.version as iv,
+                    IFNULL(a.version, 'alien') AS av,
+                    d.description AS desc
+                    FROM local_packages AS i LEFT OUTER JOIN remote_packages as a
+                    ON i.category = a.category
+                    AND i.name = a.name
+                    AND i.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON i.name = d.name AND i.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}
+                    UNION
+                    SELECT
+                    a.category AS cat,
+                    a.name as pn,
+                    IFNULL(i.version, 'None') AS iv,
+                    a.version as av,
+                    d.description AS desc
+                    FROM remote_packages AS a LEFT OUTER JOIN local_packages AS i
+                    ON a.category = i.category
+                    AND a.name = i.name
+                    AND a.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON a.name = d.name AND a.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}''',
+        'installed': f'''SELECT
+                    i.category AS cat,
+                    i.name AS pn,
+                    i.version AS iv,
+                    a.version as av,
+                    d.description AS desc
+                    FROM local_packages AS i
+                    LEFT JOIN remote_packages AS a
+                    ON i.category = a.category
+                    AND i.name = a.name
+                    AND i.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON i.name = d.name AND i.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}''',
+        'alien': f'''SELECT
+                    i.category AS cat,
+                    i.name AS pn,
+                    i.version as iv,
+                    IFNULL(a.version, 'alien') AS av,
+                    d.description AS desc
+                    FROM local_packages AS i
+                    LEFT JOIN remote_packages AS a
+                    ON a.category = i.category
+                    AND a.name = i.name
+                    AND a.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON i.name = d.name AND i.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}
+                    AND av IS 'alien' ''',
+        'available': f'''SELECT
+                    a.category AS cat,
+                    a.name AS pn,
+                    i.version as iv,
+                    a.version AS av,
+                    d.description AS desc
+                    FROM remote_packages AS a
+                    LEFT JOIN local_packages AS i
+                    ON a.category = i.category
+                    AND a.name = i.name
+                    AND a.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON a.name = d.name AND a.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}
+                    AND iv IS NULL''',
+        'upgradable': f'''SELECT
+                    i.category AS cat,
+                    i.name AS pn,
+                    i.version as iv,
+                    a.version AS av,
+                    d.description AS desc
+                    FROM local_packages AS i
+                    INNER JOIN remote_packages AS a
+                    ON i.category = a.category
+                    AND i.name = a.name
+                    AND i.slot = i.slot
+                    LEFT JOIN remote_descriptions AS d ON i.name = d.name AND i.category = d.category
+                    WHERE cat LIKE '%{cat}%' AND pn LIKE '%{pn}%' AND desc LIKE '%{desc}%' {NOVIRT}
+                    AND iv <> av'''
+    }
+
+    return SELECTS[filter]
+