Clean up

.github/workflows/go_test.yml

@@ -23,12 +23,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v1
       - name: fmt
-        run: gofmt -w .
+        run: make check-fmt
       - name: lint
         run: |
           go get golang.org/x/lint/golint
           $(go list -f {{.Target}} golang.org/x/lint/golint) -set_exit_status ./...
       - name: vet
-        run: go vet ./...
+        run: make vet
       - name: test
-        run: go test ./...
+        run: make test

Makefile

@@ -0,0 +1,33 @@
+.PHONY: fmt check-fmt lint vet test
+
+GO_PKGS   := $(shell go list -f {{.Dir}} ./...)
+
+fmt:
+	@go list -f {{.Dir}} ./... | xargs -I{} gofmt -w -s {}
+
+check-fmt:
+	@echo "Checking formatting..."
+	@FMT="0"; \
+	for pkg in $(GO_PKGS); do \
+		OUTPUT=`gofmt -l $$pkg/*.go`; \
+		if [ -n "$$OUTPUT" ]; then \
+			echo "$$OUTPUT"; \
+			FMT="1"; \
+		fi; \
+	done ; \
+	if [ "$$FMT" -eq "1" ]; then \
+		echo "Problem with formatting in files above."; \
+		exit 1; \
+	else \
+		echo "Success - way to run gofmt!"; \
+	fi
+
+lint:
+#	Add -set_exit_status=true when/if we want to enforce the linter rules
+	@golint -min_confidence 0.8 -set_exit_status $(GO_PKGS)
+
+vet:
+	@go vet $(GO_FLAGS) $(GO_PKGS)
+
+test:
+	@go test -race $(GO_FLAGS) -count=1 $(GO_PKGS)

README.md

@@ -99,10 +99,6 @@ func main() {
     // Delay start of job
     s2.Every(1).Hour().StartAt(time.Now().Add(time.Duration(1 * time.Hour)).Do(task)
 
-    // Deprecated: Jobs start immediately by default
-    // use StartImmediately() to run job upon scheduler start
-    s2.Every(1).Hour().StartImmediately().Do(task)
-
     // NextRun gets the next running time
     _, time := s2.NextRun()
     fmt.Println(time)

example_test.go

@@ -23,13 +23,6 @@ func ExampleScheduler_StartAsync() {
 	s.StartAsync()
 }
 
-// Deprecated: All jobs start immediately by default unless set to a specific date or time
-func ExampleScheduler_StartImmediately() {
-	s := gocron.NewScheduler(time.UTC)
-	_, _ = s.Every(1).Hour().StartImmediately().Do(task)
-	s.StartBlocking()
-}
-
 func ExampleScheduler_StartAt() {
 	s := gocron.NewScheduler(time.UTC)
 	specificTime := time.Date(2019, time.November, 10, 15, 0, 0, 0, time.UTC)

job.go

@@ -29,9 +29,9 @@ type Job struct {
 }
 
 type runConfig struct {
-	finiteRuns bool
-	maxRuns    int
-	removeAfterLastRun   bool
+	finiteRuns         bool
+	maxRuns            int
+	removeAfterLastRun bool
 }
 
 // NewJob creates a new Job with the provided interval
@@ -56,17 +56,47 @@ func (j *Job) run() {
 }
 
 func (j *Job) neverRan() bool {
+	j.RLock()
+	defer j.RUnlock()
 	return j.lastRun.IsZero()
 }
 
+func (j *Job) getStartsImmediately() bool {
+	j.RLock()
+	defer j.RUnlock()
+	return j.startsImmediately
+}
+
+func (j *Job) setStartsImmediately(b bool) {
+	j.Lock()
+	defer j.Unlock()
+	j.startsImmediately = b
+}
+
+func (j *Job) getAtTime() time.Duration {
+	j.RLock()
+	defer j.RUnlock()
+	return j.atTime
+}
+
+func (j *Job) setAtTime(t time.Duration) {
+	j.Lock()
+	defer j.Unlock()
+	j.atTime = t
+}
+
 // Err returns an error if one occurred while creating the Job
 func (j *Job) Err() error {
+	j.RLock()
+	defer j.RUnlock()
 	return j.err
 }
 
 // Tag allows you to add arbitrary labels to a Job that do not
 // impact the functionality of the Job
 func (j *Job) Tag(t string, others ...string) {
+	j.Lock()
+	defer j.Unlock()
 	j.tags = append(j.tags, t)
 	for _, tag := range others {
 		j.tags = append(j.tags, tag)
@@ -75,6 +105,8 @@ func (j *Job) Tag(t string, others ...string) {
 
 // Untag removes a tag from a Job
 func (j *Job) Untag(t string) {
+	j.Lock()
+	defer j.Unlock()
 	var newTags []string
 	for _, tag := range j.tags {
 		if t != tag {
@@ -87,22 +119,30 @@ func (j *Job) Untag(t string) {
 
 // Tags returns the tags attached to the Job
 func (j *Job) Tags() []string {
+	j.RLock()
+	defer j.RUnlock()
 	return j.tags
 }
 
 // ScheduledTime returns the time of the Job's next scheduled run
 func (j *Job) ScheduledTime() time.Time {
+	j.RLock()
+	defer j.RUnlock()
 	return j.nextRun
 }
 
 // ScheduledAtTime returns the specific time of day the Job will run at
 func (j *Job) ScheduledAtTime() string {
+	j.RLock()
+	defer j.RUnlock()
 	return fmt.Sprintf("%d:%d", j.atTime/time.Hour, (j.atTime%time.Hour)/time.Minute)
 }
 
 // Weekday returns which day of the week the Job will run on and
 // will return an error if the Job is not scheduled weekly
 func (j *Job) Weekday() (time.Weekday, error) {
+	j.RLock()
+	defer j.RUnlock()
 	if j.scheduledWeekday == nil {
 		return time.Sunday, ErrNotScheduledWeekday
 	}
@@ -113,6 +153,8 @@ func (j *Job) Weekday() (time.Weekday, error) {
 // job to n. However, the job will still remain in the
 // scheduler
 func (j *Job) LimitRunsTo(n int) {
+	j.Lock()
+	defer j.Unlock()
 	j.runConfig = runConfig{
 		finiteRuns: true,
 		maxRuns:    n,
@@ -122,36 +164,72 @@ func (j *Job) LimitRunsTo(n int) {
 // shouldRun evaluates if this job should run again
 // based on the runConfig
 func (j *Job) shouldRun() bool {
+	j.RLock()
+	defer j.RUnlock()
 	return !j.runConfig.finiteRuns || j.runCount < j.runConfig.maxRuns
 }
 
 // LastRun returns the time the job was run last
 func (j *Job) LastRun() time.Time {
+	j.RLock()
+	defer j.RUnlock()
+	return j.lastRun
+}
+
+func (j *Job) setLastRun(t time.Time) {
 	j.Lock()
 	defer j.Unlock()
-	lastRun := j.lastRun
-	return lastRun
+	j.lastRun = t
 }
 
 // NextRun returns the time the job will run next
 func (j *Job) NextRun() time.Time {
+	j.RLock()
+	defer j.RUnlock()
+	return j.nextRun
+}
+
+func (j *Job) setNextRun(t time.Time) {
 	j.Lock()
 	defer j.Unlock()
-	nextRun := j.nextRun
-	return nextRun
+	j.nextRun = t
 }
 
 // RunCount returns the number of time the job ran so far
 func (j *Job) RunCount() int {
+	j.RLock()
+	defer j.RUnlock()
+	return j.runCount
+}
+
+func (j *Job) setRunCount(i int) {
 	j.Lock()
 	defer j.Unlock()
-	runCount := j.runCount
-	return runCount
+	j.runCount = i
 }
+
 // RemoveAfterLastRun update the job in order to remove the job after its last exec
 func (j *Job) RemoveAfterLastRun() *Job {
 	j.Lock()
 	defer j.Unlock()
 	j.runConfig.removeAfterLastRun = true
 	return j
 }
+
+func (j *Job) getFiniteRuns() bool {
+	j.RLock()
+	defer j.RUnlock()
+	return j.runConfig.finiteRuns
+}
+
+func (j *Job) getMaxRuns() int {
+	j.RLock()
+	defer j.RUnlock()
+	return j.runConfig.maxRuns
+}
+
+func (j *Job) getRemoveAfterLastRun() bool {
+	j.RLock()
+	defer j.RUnlock()
+	return j.runConfig.removeAfterLastRun
+}