move

db.go

@@ -1,5 +1,11 @@
 package main
 
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
 type (
 	db struct {
 		Knowledge Knowledge
@@ -14,3 +20,67 @@ type (
 		History map[string][]History
 	}
 )
+
+func (db db) HistoryOf(user string) map[string][]History {
+	return db.Users[user].History
+}
+
+func (db db) Next(user, q string) time.Time {
+	history := db.Users[user].History[q]
+	progress := 0
+	for i := range history {
+		if history[i].Pass {
+			progress += 1
+		} else {
+			progress -= 1
+		}
+	}
+	if progress < 0 {
+		progress = 0
+	} else if progress > len(db.Cadence) {
+		return time.Now().Add(time.Hour * 24 * 365 * 10)
+	}
+	return db.lastTS(user, q).Add(time.Duration(db.Cadence[progress]))
+}
+
+func (db db) Question(q string) Question {
+	return db.Knowledge.Questions[q]
+}
+
+func (db db) LastAnswer(user, q string) Answer {
+	for _, v := range db.Knowledge.Answers {
+		if v.Q == q && v.Author == user {
+			return v
+		}
+	}
+	return Answer{}
+}
+
+func (db db) Answer(a string) Answer {
+	return db.Knowledge.Answers[a]
+}
+
+func (db db) PushAnswer(user, q, a string, pass bool) error {
+	uuid := uuid.New().String()
+	db.Knowledge.Answers[uuid] = Answer{
+		Q:      q,
+		A:      a,
+		TS:     time.Now().UnixNano(),
+		Author: user,
+	}
+	db.Users[user].History[q] = append(db.Users[user].History[q], History{
+		A:    uuid,
+		Pass: pass,
+	})
+	return nil
+}
+
+func (db db) lastTS(user, q string) time.Time {
+	max := int64(0)
+	for _, v := range db.Users[user].History[q] {
+		if v.TS > max {
+			max = v.TS
+		}
+	}
+	return time.Unix(0, max)
+}

main.go

@@ -9,7 +9,6 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/google/uuid"
 	"gopkg.in/yaml.v2"
 )
 
@@ -93,70 +92,6 @@ func NewDB() (DB, error) {
 	return db, nil
 }
 
-func (db db) HistoryOf(user string) map[string][]History {
-	return db.Users[user].History
-}
-
-func (db db) Question(q string) Question {
-	return db.Knowledge.Questions[q]
-}
-
-func (db db) Answer(a string) Answer {
-	return db.Knowledge.Answers[a]
-}
-
-func (db db) LastAnswer(user, q string) Answer {
-	for _, v := range db.Knowledge.Answers {
-		if v.Q == q && v.Author == user {
-			return v
-		}
-	}
-	return Answer{}
-}
-
-func (db db) PushAnswer(user, q, a string, pass bool) error {
-	uuid := uuid.New().String()
-	db.Knowledge.Answers[uuid] = Answer{
-		Q:      q,
-		A:      a,
-		TS:     time.Now().UnixNano(),
-		Author: user,
-	}
-	db.Users[user].History[q] = append(db.Users[user].History[q], History{
-		A:    uuid,
-		Pass: pass,
-	})
-	return nil
-}
-
-func (db db) Next(user, q string) time.Time {
-	history := db.Users[user].History[q]
-	progress := 0
-	for i := range history {
-		if history[i].Pass {
-			progress += 1
-		} else {
-			progress -= 1
-		}
-	}
-	if progress < 0 {
-		progress = 0
-	} else if progress > len(db.Cadence) {
-		return time.Now().Add(time.Hour * 24 * 365 * 10)
-	}
-	return db.LastTS(user, q).Add(time.Duration(db.Cadence[progress]))
-}
-
-func (db db) LastTS(user, q string) time.Time {
-	max := int64(0)
-	for _, v := range db.Users[user].History[q] {
-		if v.TS > max {
-			max = v.TS
-		}
-	}
-	return time.Unix(0, max)
-}
-
 func (d Duration) MarshalYAML() (interface{}, error) {
 	return time.Duration(d).String(), nil
 }