Worker cache

api/main.go

@@ -49,7 +49,7 @@ func (api *WebAPI) setupMonitoring() {
 func New() *WebAPI {
 
 	api := new(WebAPI)
-	api.Database = &storage.Database{}
+	api.Database = storage.New()
 	api.setupMonitoring()
 
 	api.router = &fasthttprouter.Router{}

config.yml

@@ -2,7 +2,7 @@ server:
   address: "0.0.0.0:42901"
 
 database:
-  conn_str: "user=task_tracker dbname=task_tracker_test sslmode=disable"
+  conn_str: "user=task_tracker dbname=task_tracker sslmode=disable"
   #  log_levels: ["debug", "error", "trace", "info", "warn"]
   log_levels: ["error", "info", "warn"]
 
@@ -23,4 +23,4 @@ session:
 
 monitoring:
   snapshot_interval: "60s"
-  history_length: "4h"
+  history_length: "400h"

storage/database.go

@@ -12,6 +12,16 @@ import (
 type Database struct {
 	db           *sql.DB
 	saveTaskStmt *sql.Stmt
+
+	workerCache map[int64]*Worker
+}
+
+func New() *Database {
+
+	d := Database{}
+	d.workerCache = make(map[int64]*Worker)
+
+	return &d
 }
 
 func (database *Database) Reset() {

storage/worker.go

@@ -42,6 +42,10 @@ func (database *Database) SaveWorker(worker *Worker) {
 
 func (database *Database) GetWorker(id int64) *Worker {
 
+	if database.workerCache[id] != nil {
+		return database.workerCache[id]
+	}
+
 	db := database.getDB()
 
 	worker := &Worker{}
@@ -59,6 +63,8 @@ func (database *Database) GetWorker(id int64) *Worker {
 		"worker": worker,
 	}).Trace("Database.getWorker SELECT worker")
 
+	database.workerCache[id] = worker
+
 	return worker
 }
 
@@ -101,6 +107,8 @@ func (database *Database) UpdateWorker(worker *Worker) bool {
 		"worker":       worker,
 	}).Trace("Database.UpdateWorker UPDATE worker")
 
+	database.workerCache[worker.Id] = worker
+
 	return rowsAffected == 1
 }
 

web/angular/src/app/project-dashboard/project-dashboard.component.html

@@ -9,7 +9,6 @@
         <mat-card-title *ngIf="project">{{"dashboard.title" | translate}} "{{project.name}}"</mat-card-title>
         <mat-card-content style="padding: 2em 0 1em">
 
-
             <p *ngIf="project">
                 {{"project.git_repo" | translate}}:
                 <a target="_blank" [href]="project['clone_url']"
@@ -19,7 +18,6 @@
             <p>{{"project.motd" | translate}}:</p>
             <pre *ngIf="project">{{project.motd}}</pre>
 
-
             <div style="display: flex; align-items: center; justify-content: center">
                 <div id="timeline-wrapper">
                     <canvas id="timeline"></canvas>