little restructuring

.gitignore

@@ -15,4 +15,6 @@
 # vendor/
 example
 
+*.vim
+
 dist/

core/events.go

@@ -1 +0,0 @@
-package core

core/scheduler.go

@@ -1 +0,0 @@
-package core

db/db.go

@@ -1,10 +1,29 @@
 package db
 
-import "encoding/json"
+import (
+	"encoding/json"
+	"os"
+)
 
-var database map[string]string
+var Database map[string]string
+var path string = "/var/lib/backive/data.json"
 
 func Save() {
-	jsonstr := json.Marshal(database)
+	jsonstr, merr := json.Marshal(Database)
+	if merr != nil {
+		panic(merr)
+	}
 
+	err := os.WriteFile(path, []byte(jsonstr), 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func Load() {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		panic(err)
+	}
+	json.Unmarshal(data, Database)
 }

events/events.go

@@ -0,0 +1 @@
+package events

scheduler/scheduler.go

@@ -0,0 +1,40 @@
+package scheduler
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/qwc/backive/config"
+	"github.com/qwc/backive/db"
+)
+
+type Runs map[string][]time.Time
+
+var runs Runs
+
+func Load() {
+	runerr := json.Unmarshal([]byte(db.Database["runs"]), &runs)
+	if runerr != nil {
+		panic(runerr)
+	}
+}
+
+func Save() {
+	str, err := json.Marshal(runs)
+	if err != nil {
+		panic(err)
+	}
+
+	db.Database["runs"] = string(str)
+}
+
+func ShouldRun(backup string) bool {
+	freq := config.Get().Backups[backup].Frequency
+
+	// calculate time difference from last run, return true if no run has taken place
+	if freq > 0 {
+		return true
+	}
+
+	return false
+}