Configuration and tray icon.

Configuration is now properly saved for parameters in Options window.
Also they are restored fine.

Added tray icon with two default actions: show/hide and exit. More
to come.

database/database_object.go

@@ -17,6 +17,7 @@ import (
     "strconv"
 
     // local
+    "github.com/pztrn/urtrator/configuration"
     "github.com/pztrn/urtrator/datamodels"
 
     // Other
@@ -25,16 +26,31 @@ import (
 )
 
 type Database struct {
+    // Configuration.
+    cfg *configuration.Config
     // Pointer to initialized database connection.
     Db *sqlx.DB
 }
 
 func (d *Database) Close() {
     fmt.Println("Closing database...")
+
+    // Save configuration.
+    // Delete previous configuration.
+    d.Db.MustExec("DELETE FROM configuration")
+    tx := d.Db.MustBegin()
+    for k, v := range cfg.Cfg {
+        cfg_item := datamodels.Configuration{}
+        cfg_item.Key = k
+        cfg_item.Value = v
+        tx.NamedExec("INSERT INTO configuration (key, value) VALUES (:key, :value)", &cfg_item)
+    }
+    tx.Commit()
+
     d.Db.Close()
 }
 
-func (d *Database) Initialize() {
+func (d *Database) Initialize(cfg *configuration.Config) {
     fmt.Println("Initializing database...")
 
     // Connect to database.
@@ -45,6 +61,15 @@ func (d *Database) Initialize() {
         fmt.Println(err.Error())
     }
     d.Db = db
+
+    // Load configuration.
+    cfgs := []datamodels.Configuration{}
+    d.Db.Select(&cfgs, "SELECT * FROM configuration")
+    if len(cfgs) > 0 {
+        for i := range cfgs {
+            cfg.Cfg[cfgs[i].Key] = cfgs[i].Value
+        }
+    }
 }
 
 func (d *Database) Migrate() {

database/migrations.go

@@ -39,30 +39,13 @@ INSERT INTO database (version) VALUES (1);
 // Migrate database to latest version.
 // ToDo: make it more good :).
 func migrate_full(db *Database, version int) {
-    if version < 1 {
-        start_to_one(db)
-        version = 1
-    }
-    if version == 1 {
-        one_to_two(db)
-        version = 2
-    }
-    if version == 2 {
-        two_to_three(db)
-        version = 3
-    }
-    if version == 3 {
-        three_to_four(db)
-        version = 4
-    }
-    if version == 4 {
-        four_to_five(db)
-        version = 5
-    }
-    if version == 5 {
-        five_to_six(db)
-        version = 6
-    }
+    if version < 1 {start_to_one(db); version = 1}
+    if version == 1 {one_to_two(db); version = 2}
+    if version == 2 {two_to_three(db); version = 3}
+    if version == 3 {three_to_four(db); version = 4}
+    if version == 4 {four_to_five(db); version = 5}
+    if version == 5 {five_to_six(db); version = 6 }
+    if version == 6 {six_to_seven(db); version = 7}
 }
 
 // Initial database structure.
@@ -108,3 +91,10 @@ func five_to_six(db *Database) {
     db.Db.MustExec("ALTER TABLE servers ADD profile_to_use VARCHAR(128) DEFAULT ''")
     db.Db.MustExec("UPDATE database SET version=6")
 }
+
+// Configuration storage.
+func six_to_seven(db *Database) {
+    fmt.Println("Upgrading database from 6 to 7...")
+    db.Db.MustExec("CREATE TABLE configuration (key VARCHAR(128) NOT NULL, value VARCHAR(1024) NOT NULL)")
+    db.Db.MustExec("UPDATE database SET version=7")
+}