diff options
author | Jonas Smedegaard <dr@jones.dk> | 2025-04-28 22:49:33 +0200 |
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committer | Jonas Smedegaard <dr@jones.dk> | 2025-04-28 22:49:33 +0200 |
commit | a701fe0f29f82cdcf445cc24f79877116ca62ca4 (patch) | |
tree | dd965ec66db85d310e832a21be59c597c34ae042 /src/com.example.portfolio2/com/example/portfolio2/Model.java | |
parent | 862fb85d541af579657cfdaa8db770e4c3916eaf (diff) |
rename class Model -> Database; rename variable model -> store
Diffstat (limited to 'src/com.example.portfolio2/com/example/portfolio2/Model.java')
-rw-r--r-- | src/com.example.portfolio2/com/example/portfolio2/Model.java | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/src/com.example.portfolio2/com/example/portfolio2/Model.java b/src/com.example.portfolio2/com/example/portfolio2/Model.java deleted file mode 100644 index 8216ccc..0000000 --- a/src/com.example.portfolio2/com/example/portfolio2/Model.java +++ /dev/null @@ -1,83 +0,0 @@ -// SPDX-FileCopyrightText: <Alexander Marthin Klemensen stud-marthin@ruc.dk> -// SPDX-FileCopyrightText: <Ian Valentin Christensen stud-ianc@ruc.dk> -// SPDX-FileCopyrightText: <Zahed Noos zahed@ruc.dk> -// SPDX-License-Identifier: GPL-3.0-or-later - -package com.example.portfolio2; - -import java.util.ArrayList; - -/// Bachelorizer - database model -/// -/// This model handles all interaction with the database. -class Model{ - - /// database singleton - MyDB db = new MyDB(); - - /// default constructor - // (declared explicitly only to silence javadoc) - Model(){} - - /// clear the participation database at program launch - void initialize() { - clearParticipation(); - } - - /// resolve activity index from name - /// - /// @param name activity name - /// @return index of activity as integer - int getActivityIndeks(String name) { - if(name ==null) return -1; - ArrayList<String> result = db.query("select indeks from activity a where name is '"+name+"';", "indeks"); - return Integer.parseInt(result.getFirst()); - - } - - /// insert activity into participation - /// - /// @param activityIndex index of activity - void addParticipation(int activityIndex) { - db.cmd("insert into participation values(123, "+activityIndex+");"); - } - - /// list currently participating activities - /// - /// @param program programme name - /// @return names of participating activities - ArrayList<String> getParticipation(String program) { - return db.query("select name from participation p inner join activity a on p.indeks = a.indeks where program is '" + program + "';", "name"); - } - - /// purge participation database - void clearParticipation() { - db.cmd("delete from participation"); - } - - /// list activities within a program - /// - /// @param program programme name - /// @return names of contained activities - ArrayList<String> selectProgram(String program) { - return db.query("select name from activity where program is '" + program + "';", "name"); - } - - /// sum of ECTS points under the given category - /// - /// @param program programme name - /// @return ECTS points as String - String getSumEcts(String program){ - if(program==null)return "0"; - ArrayList<String> result = db.query("select sum(activity.ects) as total_ects,student.name from student left outer join participation on student.studid = participation.studid inner join activity on participation.indeks = activity.indeks where program is '"+program+"' group by student.studid ;", "total_ects"); - if (result.isEmpty()) return "0"; - return result.getFirst(); - } - - /// sum of ECTS points under the given category - /// - /// @return names of all activities as list of String - ArrayList<String> getAllActivities() { - return db.query("select name from activity;", "name"); - } -} |