GUID and timer

Marko Tikvić
1 parent 3173b06a41
Showing 3 changed files with 111 additions and 0 deletions Show diff stats
guid.go
string_util.go
timer.go
@@ -0,0 +1,17 @@
+package webutility
+
+import (
+	"crypto/rand"
+	"fmt"
+)
+
+// GUID ...
+func GUID() (string, error) {
+	b := make([]byte, 16)
+	_, err := rand.Read(b)
+	if err != nil {
+		return "", err
+	}
+	id := fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
+	return id, nil
+}
@@ -148,6 +148,14 @@ func SplitText(s string, maxLen int) (lines []string) {
 	return lines
 }
  
+func CutTextWithThreeDots(txt string, maxLen int) string {
+	if len(txt) < maxLen || len(txt) <= 3 {
+		return txt
+	}
+
+	return txt[:maxLen-3] + "..."
+}
+
 const threeDots = "\u2056\u2056\u2056"
  
 func LimitTextWithThreeDots(txt string, maxLen int) string {
@@ -158,6 +166,14 @@ func LimitTextWithThreeDots(txt string, maxLen int) string {
 	return txt[:maxLen] + threeDots
 }
  
+func LimitMSWordTextWithThreeDots(txt string, maxLen int) string {
+	if len(txt) <= maxLen {
+		return txt
+	}
+
+	return txt[:maxLen] + "..."
+}
+
 // SplitStringAtWholeWords ...
 func SplitStringAtWholeWords(s string, maxLen int) (res []string) {
 	parts := strings.Split(s, " ")
@@ -0,0 +1,78 @@
+package webutility
+
+import (
+	"fmt"
+	"time"
+)
+
+// Timer ...
+type Timer struct {
+	name         string
+	running      bool
+	started      time.Time
+	stopped      time.Time
+	lastDuration time.Duration
+}
+
+// NewTimer ...
+func NewTimer(name string) *Timer {
+	t := &Timer{name: name}
+	t.Reset()
+	return t
+}
+
+// Start ...
+func (t *Timer) Start() time.Time {
+	t.running = true
+	t.started = time.Now()
+	return t.started
+}
+
+// Stop ...
+func (t *Timer) Stop() time.Duration {
+	t.running = false
+	t.stopped = time.Now()
+	t.lastDuration = t.stopped.Sub(t.started)
+	return t.lastDuration
+}
+
+// LastRunDuration ...
+func (t *Timer) LastRunDuration() time.Duration {
+	return t.lastDuration
+}
+
+// Clear ...
+func (t *Timer) Clear() {
+	t.started = time.Now()
+	t.stopped = time.Now()
+	t.lastDuration = 0
+}
+
+// Reset ...
+func (t *Timer) Reset() {
+	t.Stop()
+	t.Start()
+}
+
+// Elapsed ...
+func (t *Timer) Elapsed() time.Duration {
+	if t.running {
+		return time.Now().Sub(t.started)
+	}
+	return 0
+}
+
+// Print ...
+func (t *Timer) Print(s string) {
+	status := "RUNNING"
+	if !t.running {
+		status = "STOPPED"
+	}
+	fmt.Printf("timer[%s][%s]: %v %s\n", t.name, status, t.Elapsed(), s)
+}
+
+// Lap ...
+func (t *Timer) Lap(s string) {
+	t.Print(s)
+	t.Reset()
+}
...	...	@@ -0,0 +1,17 @@
	1	+package webutility
	2	+
	3	+import (
	4	+ "crypto/rand"
	5	+ "fmt"
	6	+)
	7	+
	8	+// GUID ...
	9	+func GUID() (string, error) {
	10	+ b := make([]byte, 16)
	11	+ _, err := rand.Read(b)
	12	+ if err != nil {
	13	+ return "", err
	14	+ }
	15	+ id := fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
	16	+ return id, nil
	17	+}
...	...
...	...	@@ -148,6 +148,14 @@ func SplitText(s string, maxLen int) (lines []string) {
148	148	return lines
149	149	}
150	150
	151	+func CutTextWithThreeDots(txt string, maxLen int) string {
	152	+ if len(txt) < maxLen \|\| len(txt) <= 3 {
	153	+ return txt
	154	+ }
	155	+
	156	+ return txt[:maxLen-3] + "..."
	157	+}
	158	+
151	159	const threeDots = "\u2056\u2056\u2056"
152	160
153	161	func LimitTextWithThreeDots(txt string, maxLen int) string {
...	...	@@ -158,6 +166,14 @@ func LimitTextWithThreeDots(txt string, maxLen int) string {
158	166	return txt[:maxLen] + threeDots
159	167	}
160	168
	169	+func LimitMSWordTextWithThreeDots(txt string, maxLen int) string {
	170	+ if len(txt) <= maxLen {
	171	+ return txt
	172	+ }
	173	+
	174	+ return txt[:maxLen] + "..."
	175	+}
	176	+
161	177	// SplitStringAtWholeWords ...
162	178	func SplitStringAtWholeWords(s string, maxLen int) (res []string) {
163	179	parts := strings.Split(s, " ")
...	...
...	...	@@ -0,0 +1,78 @@
	1	+package webutility
	2	+
	3	+import (
	4	+ "fmt"
	5	+ "time"
	6	+)
	7	+
	8	+// Timer ...
	9	+type Timer struct {
	10	+ name string
	11	+ running bool
	12	+ started time.Time
	13	+ stopped time.Time
	14	+ lastDuration time.Duration
	15	+}
	16	+
	17	+// NewTimer ...
	18	+func NewTimer(name string) *Timer {
	19	+ t := &Timer{name: name}
	20	+ t.Reset()
	21	+ return t
	22	+}
	23	+
	24	+// Start ...
	25	+func (t *Timer) Start() time.Time {
	26	+ t.running = true
	27	+ t.started = time.Now()
	28	+ return t.started
	29	+}
	30	+
	31	+// Stop ...
	32	+func (t *Timer) Stop() time.Duration {
	33	+ t.running = false
	34	+ t.stopped = time.Now()
	35	+ t.lastDuration = t.stopped.Sub(t.started)
	36	+ return t.lastDuration
	37	+}
	38	+
	39	+// LastRunDuration ...
	40	+func (t *Timer) LastRunDuration() time.Duration {
	41	+ return t.lastDuration
	42	+}
	43	+
	44	+// Clear ...
	45	+func (t *Timer) Clear() {
	46	+ t.started = time.Now()
	47	+ t.stopped = time.Now()
	48	+ t.lastDuration = 0
	49	+}
	50	+
	51	+// Reset ...
	52	+func (t *Timer) Reset() {
	53	+ t.Stop()
	54	+ t.Start()
	55	+}
	56	+
	57	+// Elapsed ...
	58	+func (t *Timer) Elapsed() time.Duration {
	59	+ if t.running {
	60	+ return time.Now().Sub(t.started)
	61	+ }
	62	+ return 0
	63	+}
	64	+
	65	+// Print ...
	66	+func (t *Timer) Print(s string) {
	67	+ status := "RUNNING"
	68	+ if !t.running {
	69	+ status = "STOPPED"
	70	+ }
	71	+ fmt.Printf("timer[%s][%s]: %v %s\n", t.name, status, t.Elapsed(), s)
	72	+}
	73	+
	74	+// Lap ...
	75	+func (t *Timer) Lap(s string) {
	76	+ t.Print(s)
	77	+ t.Reset()
	78	+}
...	...