db_queries.xml

<?xml version="1.0" encoding="UTF-8"?>
<SQLqueries>
<get_user>Select user_details.username, user_details.profile_picture, user_details.first_name, COALESCE(Sum(activity.green_points), 0),
 user_details.email_address, user_details.privacy_settings From user_details Left Join activity_log On user_details.username = activity_log.username Left
 Join activity On activity.activity_id = activity_log.activity_id Where user_details.username = ? Group by user_details.username;
</get_user>

<get_points>Select COALESCE(Sum(activity.green_points),0)
 From user_details Join activity_log On
 user_details.username = activity_log.username
 Join activity On activity.activity_id = activity_log.activity_id
 Where user_details.username = ? Group by user_details.username;
</get_points>

<get_password>SELECT password
 FROM user_details AS ud
 WHERE ud.username = ?;
</get_password>

<get_friends>SELECT username1 as friend_name
 FROM friends_with AS fw1
 WHERE fw1.username2 = ?
 UNION
 SELECT username2 as friend_name
 FROM friends_with AS fw2
 WHERE fw2.username1 = ?;
</get_friends>

<get_rl>Select f1.username1 as user,
 COALESCE(Sum(activity.green_points), 0) as points,
 (Select profile_picture From user_details
 as a1 Where a1.username = f1.username1)
 From friends_with as f1 Left Join activity_log On
 f1.username1 = activity_log.username
 Left Join activity On activity.activity_id = activity_log.activity_id
 Where f1.username2 = ?
 Group by f1.username1
 Union
 Select f2.username2 as user,
 COALESCE(Sum(activity.green_points), 0) as points,
 (Select profile_picture From user_details
 as a2 Where a2.username = f2.username2)
 From friends_with as f2 Left Join activity_log On
 f2.username2 = activity_log.username
 Left Join activity On activity.activity_id = activity_log.activity_id
 Where f2.username1 = ?
 Group by f2.username2
 Union
 Select user_details.username as user,
 COALESCE(Sum(activity.green_points), 0)
 as points, user_details.profile_picture
 From user_details Left Join activity_log On
 user_details.username = activity_log.username
 Left Join activity On activity_log.activity_id = activity.activity_id
 Where user_details.username = ?
 Group by user_details.username
 Order by points DESC;
</get_rl>

<get_user_contributions>
 SELECT * FROM
 (SELECT * FROM
 (SELECT al.log_id AS act_log_id,
 null AS ach_log_id,
 ud.username,
 al.date,
 al.time,
 al.activity_id,
 null AS achievement_id,
 act.activity_name AS cont_name,
 act.description AS cont_desc,
 act.green_points
 FROM user_details AS ud
 JOIN activity_log AS al
 ON ud.username = al.username
 JOIN activity AS act
 ON al.activity_id = act.activity_id
 UNION
 SELECT null AS act_log_id,
 al.log_id AS ach_log_id,
 ud.username,
 al.date,
 al.time,
 null AS activity_id,
 al.achievement_id,
 act.achievement_name AS cont_name,
 act.description AS cont_desc,
 null as green_points
 FROM user_details AS ud
 JOIN achievement_log AS al
 ON ud.username = al.username
 JOIN achievement AS act
 ON al.achievement_id = act.achievement_id
 ORDER BY date DESC, time DESC
 ) AS contribution_list
 WHERE date &lt;= ? AND date &gt;= ?) AS range_contribution_list
 WHERE username = ?;
</get_user_contributions>

<get_all_contributions>
 SELECT * FROM
 (SELECT * FROM
 (SELECT al.log_id AS act_log_id,
 null AS ach_log_id,
 ud.username,
 al.date,
 al.time,
 al.activity_id,
 null AS achievement_id,
 act.activity_name AS cont_name,
 act.description AS cont_desc,
 act.green_points
 FROM user_details AS ud
 JOIN activity_log AS al
 ON ud.username = al.username
 JOIN activity AS act
 ON al.activity_id = act.activity_id
 UNION
 SELECT null AS act_log_id,
 al.log_id AS ach_log_id,
 ud.username,
 al.date,
 al.time,
 null AS activity_id,
 al.achievement_id,
 act.achievement_name AS cont_name,
 act.description AS cont_desc,
 null as green_points
 FROM user_details AS ud
 JOIN achievement_log AS al
 ON ud.username = al.username
 JOIN achievement AS act
 ON al.achievement_id = act.achievement_id
 ORDER BY date DESC, time DESC) AS contribution_list
 WHERE date &lt;= ? AND date &gt;= ?) AS range_contribution_list
 WHERE username IN (
 SELECT username1 as friend_name
 FROM friends_with AS fw1
 WHERE fw1.username2 = ?
 UNION
 SELECT username2 as friend_name
 FROM friends_with AS fw2
 WHERE fw2.username1 = ?
 UNION
 SELECT ? as friend_name
 );
</get_all_contributions>

<test_retrieve>werkt dit?</test_retrieve>

<get_timeline_fr>Select * From
 (Select activity_log.log_id as log_id, activity_log.activity_id as contribution_id,
 activity.activity_name as contribution_name, activity.description as contribution_description, activity.subcategory as subcategory,
 category.category_id as activity_category_id, category.category_name as activity_category_name,
 category.description as activity_category_description, activity.green_points as activity_points,
 activity_log.username as user, activity_log.date as date, activity_log.time as time
 From activity_log Left Join activity On activity_log.activity_id = activity.activity_id
 Left Join category On activity.category_id = category.category_id
 Left Join friends_with On friends_with.username1 = activity_log.username
 Left Join user_details On activity_log.username = user_details.username
 Where friends_with.username2 = ? And user_details.privacy_settings = 'public'
 Union
 Select activity_log.log_id as log_id, activity_log.activity_id as contribution_id,
 activity.activity_name as contribution_name, activity.description as contribution_description, activity.subcategory as subcategory,
 category.category_id as activity_category_id, category.category_name as activity_category_name,
 category.description as activity_category_description, activity.green_points as activity_points,
 activity_log.username as user, activity_log.date as date, activity_log.time as time
 From activity_log Left Join activity On activity_log.activity_id = activity.activity_id
 Left Join category On activity.category_id = category.category_id
 Left Join friends_with On friends_with.username2 = activity_log.username
 Left Join user_details On activity_log.username = user_details.username
 Where friends_with.username1 = ? And user_details.privacy_settings = 'public'
 Union
 Select activity_log.log_id as log_id, activity_log.activity_id as contribution_id,
 activity.activity_name as contribution_name, activity.description as contribution_description, activity.subcategory as subcategory,
 category.category_id as activity_category_id, category.category_name as activity_category_name,
 category.description as activity_category_description, activity.green_points as activity_points,
 activity_log.username as user, activity_log.date as date, activity_log.time as time
 From activity_log Left Join activity On activity_log.activity_id = activity.activity_id
 Left Join category On activity.category_id = category.category_id
 Left Join user_details On activity_log.username = user_details.username
 Where activity_log.username = ?
 Union
 Select achievement_log.log_id as log_id, achievement_log.achievement_id as contribution_id,
 achievement.achievement_name as contribution_name, achievement.description as contribution_description, Null,
 Null, Null, Null, Null, achievement_log.username as user, achievement_log.date as date, achievement_log.time as time
 From achievement_log Left Join achievement On achievement_log.achievement_id = achievement.achievement_id
 Left Join user_details On achievement_log.username = user_details.username
 Where achievement_log.username = ?
 Union
 Select achievement_log.log_id as log_id, achievement_log.achievement_id as contribution_id,
 achievement.achievement_name as contribution_name, achievement.description as contribution_description, Null,
 Null, Null, Null, Null, achievement_log.username as user, achievement_log.date as date, achievement_log.time as time
 From achievement_log Left Join achievement On achievement_log.achievement_id = achievement.achievement_id
 Left Join friends_with On friends_with.username1 = achievement_log.username
 Left Join user_details On achievement_log.username = user_details.username
 Where friends_with.username2 = ? And user_details.privacy_settings = 'public'
 Union
 Select achievement_log.log_id as log_id, achievement_log.achievement_id as contribution_id,
 achievement.achievement_name as contribution_name, achievement.description as contribution_description, Null,
 Null, Null, Null, Null, achievement_log.username as user, achievement_log.date as date, achievement_log.time as time
 From achievement_log Left Join achievement On achievement_log.achievement_id = achievement.achievement_id
 Left Join friends_with On friends_with.username2 = achievement_log.username
 Left Join user_details On achievement_log.username = user_details.username
 Where friends_with.username1 = ? And user_details.privacy_settings = 'public') as timeline
 Where date &gt;= ? And date &lt;=?
 Order by date Desc, time Desc;
</get_timeline_fr>

<get_timeline_main>Select * From (Select activity_log.log_id as log_id, activity_log.activity_id as contribution_id,
 activity.activity_name as contribution_name, activity.description as contribution_description, activity.subcategory as subcategory,
 category.category_id as activity_category_id, category.category_name as activity_category_name,
 category.description as activity_category_description, activity.green_points as activity_points,
 activity_log.username as user, activity_log.date as date, activity_log.time as time
 From activity_log Left Join activity On activity_log.activity_id = activity.activity_id
 Left Join category On activity.category_id = category.category_id
 Left Join user_details On activity_log.username = user_details.username
 Where activity_log.username = ?
 Union
 Select achievement_log.log_id as log_id, achievement_log.achievement_id as contribution_id,
 achievement.achievement_name as contribution_name, achievement.description as contribution_description, Null,
 Null, Null, Null, Null, achievement_log.username as user, achievement_log.date as date, achievement_log.time as time
 From achievement_log Left Join achievement On achievement_log.achievement_id = achievement.achievement_id
 Left Join user_details On achievement_log.username = user_details.username
 Where achievement_log.username = ?) as timeline
 Where date &gt;= ? And date &lt;=?
 Order by date Desc, time Desc;
</get_timeline_main>

<get_timeline_single>Select * From (Select activity_log.log_id as log_id, activity_log.activity_id as contribution_id,
 activity.activity_name as contribution_name, activity.description as contribution_description, activity.subcategory as subcategory,
 category.category_id as activity_category_id, category.category_name as activity_category_name,
 category.description as activity_category_description, activity.green_points as activity_points,
 activity_log.username as user, activity_log.date as date, activity_log.time as time
 From activity_log Left Join activity On activity_log.activity_id = activity.activity_id
 Left Join category On activity.category_id = category.category_id
 Left Join user_details On activity_log.username = user_details.username
 Where activity_log.username = ? And user_details.privacy_settings = 'public'
 Union
 Select achievement_log.log_id as log_id, achievement_log.achievement_id as contribution_id,
 achievement.achievement_name as contribution_name, achievement.description as contribution_description, Null,
 Null, Null, Null, Null, achievement_log.username as user, achievement_log.date as date, achievement_log.time as time
 From achievement_log Left Join achievement On achievement_log.achievement_id = achievement.achievement_id
 Left Join user_details On achievement_log.username = user_details.username
 Where achievement_log.username = ? And user_details.privacy_settings = 'public') as timeline
 Where date &gt;= ? And date &lt;=?
 Order by date Desc, time Desc;
</get_timeline_single>

<get_achievements>Select ach.achievement_id, ach.achievement_name, ach.description,
 Exists(Select * From achievement_log Where username = ? And achievement_log.achievement_id
 = ach.achievement_id) as acquired From achievement as ach Order by acquired Desc;
</get_achievements>

<get_activities>Select activity.activity_id, activity.activity_name, activity.green_points,
 category.category_id, category.category_name, category.description, activity.subcategory, activity.description
 From activity Join category On activity.category_id = category.category_id;
</get_activities>
</SQLqueries>