feat: move a card between statuses #3
8 changed files with 224 additions and 111 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1 +1,2 @@
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/test/databases/*.db
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/pelican
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@ -1,12 +1,12 @@
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package board
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import (
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"bytes"
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"encoding/gob"
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"fmt"
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"sort"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/card"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/database"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/status"
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bolt "go.etcd.io/bbolt"
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)
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@ -23,8 +23,15 @@ func LoadBoard(path string) (*bolt.DB, error) {
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}
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if len(statusList) == 0 {
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newStatusList := status.NewDefaultStatusList()
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if err := database.WriteStatusList(db, newStatusList); err != nil {
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newStatusList := defaultStatusList()
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boltItems := make([]database.BoltItem, len(newStatusList))
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for i := range newStatusList {
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boltItems[i] = &newStatusList[i]
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}
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if err := database.WriteMany(db, database.StatusBucket, boltItems); err != nil {
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return nil, fmt.Errorf("unable to save the default status list to the database, %w", err)
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}
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}
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@ -32,21 +39,37 @@ func LoadBoard(path string) (*bolt.DB, error) {
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return db, nil
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}
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// ReadStatusList returns an ordered list of statuses from the database.
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func ReadStatusList(db *bolt.DB) ([]status.Status, error) {
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statuses, err := database.ReadStatusList(db)
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// ReadStatusList returns the ordered list of statuses from the database.
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func ReadStatusList(db *bolt.DB) ([]Status, error) {
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data, err := database.ReadAll(db, database.StatusBucket)
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if err != nil {
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return statuses, fmt.Errorf("unable to read the status list, %w", err)
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return []Status{}, fmt.Errorf("unable to read the status list, %w", err)
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}
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sort.Sort(status.ByStatusOrder(statuses))
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statuses := make([]Status, len(data))
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for i, d := range data {
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buf := bytes.NewBuffer(d)
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decoder := gob.NewDecoder(buf)
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var s Status
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if err := decoder.Decode(&s); err != nil {
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return []Status{}, fmt.Errorf("unable to decode data, %w", err)
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}
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statuses[i] = s
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}
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sort.Sort(ByStatusOrder(statuses))
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return statuses, nil
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}
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// TODO: Finish implementation.
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func ReadStatus(db *bolt.DB) (status.Status, error) {
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return status.Status{}, nil
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func ReadStatus(db *bolt.DB) (Status, error) {
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return Status{}, nil
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}
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// TODO: Finish implementation.
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@ -66,7 +89,7 @@ func DeleteStatus(db *bolt.DB) error {
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// CreateCard creates a card in the database.
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func CreateCard(db *bolt.DB, title, content string) error {
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statusList, err := database.ReadStatusList(db)
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statusList, err := ReadStatusList(db)
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if err != nil {
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return fmt.Errorf("unable to read the status list, %w", err)
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}
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@ -75,52 +98,64 @@ func CreateCard(db *bolt.DB, title, content string) error {
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return statusListEmptyError{}
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}
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card := card.Card{
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card := Card{
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ID: -1,
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Title: title,
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Content: content,
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}
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cardID, err := database.WriteCard(db, card)
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cardID, err := database.Write(db, database.CardBucket, &card)
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if err != nil {
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return fmt.Errorf("unable to write card to the database, %w", err)
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}
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cardIDs := statusList[0].CardIds
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initialStatus := statusList[0]
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cardIDs = append(cardIDs, cardID)
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initialStatus.AddCardID(cardID)
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statusList[0].CardIds = cardIDs
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// TODO: change the below to save a single status
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if err := database.WriteStatusList(db, statusList); err != nil {
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return fmt.Errorf("unable to write status list to the database, %w", err)
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if _, err := database.Write(db, database.StatusBucket, &initialStatus); err != nil {
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return fmt.Errorf("unable to write the %s status to the database, %w", initialStatus.Name, err)
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}
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return nil
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}
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// ReadCard returns a Card value from the database.
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func ReadCard(db *bolt.DB, id int) (card.Card, error) {
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c, err := database.ReadCard(db, id)
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func ReadCard(db *bolt.DB, id int) (Card, error) {
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data, err := database.Read(db, database.CardBucket, id)
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if err != nil {
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return card.Card{}, fmt.Errorf("unable to read card [%d] from the database, %w", id, err)
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return Card{}, fmt.Errorf("unable to read card [%d] from the database, %w", id, err)
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}
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return c, nil
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var card Card
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buf := bytes.NewBuffer(data)
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decoder := gob.NewDecoder(buf)
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if err := decoder.Decode(&card); err != nil {
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return Card{}, fmt.Errorf("unable to decode data, %w", err)
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}
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return card, nil
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}
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// UpdateCard modifies an existing card and saves the modification to the database.
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func UpdateCard(db *bolt.DB, id int, title, content string) error {
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c, err := ReadCard(db, id)
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card, err := ReadCard(db, id)
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if err != nil {
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return err
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}
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c.Title = title
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c.Content = content
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if len(title) > 0 {
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card.Title = title
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}
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if _, err := database.WriteCard(db, c); err != nil {
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if len(content) > 0 {
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card.Content = content
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}
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if _, err := database.Write(db, database.CardBucket, &card); err != nil {
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return fmt.Errorf("unable to write card to the database, %w", err)
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}
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@ -8,7 +8,6 @@ import (
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"testing"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/board"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/card"
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bolt "go.etcd.io/bbolt"
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)
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@ -32,17 +31,21 @@ func TestCardLifecycle(t *testing.T) {
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_ = db.Close()
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}()
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cardTitle := "A test card."
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cardContent := "Ensure that this card is safely stored in the database."
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initialCardTitle := "A test card."
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initialCardContent := "Ensure that this card is safely stored in the database."
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expectedCardID := 1
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testCreateCard(t, db, cardTitle, cardContent, expectedCardID)
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testReadCard(t, db, expectedCardID, cardTitle, cardContent)
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testCreateCard(t, db, initialCardTitle, initialCardContent, expectedCardID)
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testReadCard(t, db, expectedCardID, initialCardTitle, initialCardContent)
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newCardTitle := "Test card updated."
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newCardContent := "Ensure that this card is safely updated in the database."
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modifiedCardTitle := "Test card updated."
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modifiedCardContent1 := "Ensure that this card is safely updated in the database."
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testUpdateCard(t, db, expectedCardID, newCardTitle, newCardContent)
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testUpdateCard(t, db, expectedCardID, modifiedCardTitle, modifiedCardContent1)
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modifiedCardContent2 := "Updated card content only."
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testUpdateCardContent(t, db, expectedCardID, modifiedCardTitle, modifiedCardContent2)
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}
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func testCreateCard(t *testing.T, db *bolt.DB, title, content string, wantID int) {
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@ -107,7 +110,7 @@ func testUpdateCard(t *testing.T, db *bolt.DB, cardID int, newTitle, newContent
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t.Fatalf("Unable to read the modified test card, %s", err)
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}
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want := card.Card{
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want := board.Card{
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ID: cardID,
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Title: newTitle,
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Content: newContent,
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@ -120,6 +123,31 @@ func testUpdateCard(t *testing.T, db *bolt.DB, cardID int, newTitle, newContent
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}
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}
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func testUpdateCardContent(t *testing.T, db *bolt.DB, cardID int, expectedTitle, newContent string) {
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t.Helper()
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if err := board.UpdateCard(db, cardID, "", newContent); err != nil {
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t.Fatalf("Unable to update the test card, %s", err)
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}
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got, err := board.ReadCard(db, cardID)
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if err != nil {
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t.Fatalf("Unable to read the modified test card, %s", err)
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}
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want := board.Card{
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ID: cardID,
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Title: expectedTitle,
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Content: newContent,
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("Unexpected card read from the database, want: %+v, got: %+v", want, got)
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} else {
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t.Logf("Expected card read from the database, got: %+v", got)
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}
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}
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func projectRoot() (string, error) {
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cwd, err := os.Getwd()
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if err != nil {
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18
internal/board/card.go
Normal file
18
internal/board/card.go
Normal file
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@ -0,0 +1,18 @@
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package board
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// Card represents a card on a Kanban board.
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type Card struct {
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ID int
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Title string
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Content string
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}
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// UpdateId updates the ID of the Card value.
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func (c *Card) UpdateId(id int) {
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c.ID = id
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}
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// Id returns the ID of the Card value.
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func (c *Card) Id() int {
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return c.ID
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}
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@ -1,4 +1,4 @@
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package status
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package board
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// Status represents the status of the Kanban board.
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type Status struct {
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@ -8,6 +8,20 @@ type Status struct {
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Order int
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}
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// UpdateId updates the ID of the Status value.
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func (s *Status) UpdateId(id int) {
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s.ID = id
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}
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// Id returns the ID of the Status value.
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func (s *Status) Id() int {
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return s.ID
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}
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func (s *Status) AddCardID(id int) {
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s.CardIds = append(s.CardIds, id)
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}
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// ByStatusOrder implements sort.Interface for []Status based on the Order field.
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type ByStatusOrder []Status
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@ -23,8 +37,8 @@ func (s ByStatusOrder) Less(i, j int) bool {
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return s[i].Order < s[j].Order
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}
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// NewDefaultStatusList creates the default list of statuses and saves the statuses to the database.
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func NewDefaultStatusList() []Status {
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// defaultStatusList returns the default list of statuses.
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func defaultStatusList() []Status {
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return []Status{
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{
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ID: -1,
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@ -1,8 +0,0 @@
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package card
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// Card represents a card on a Kanban board.
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type Card struct {
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ID int
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Title string
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Content string
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}
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@ -10,16 +10,19 @@ import (
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"strconv"
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"time"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/card"
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"forge.dananglin.me.uk/code/dananglin/pelican/internal/status"
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bolt "go.etcd.io/bbolt"
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)
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const (
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statusBucket string = "status"
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cardBucket string = "card"
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StatusBucket string = "status"
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CardBucket string = "card"
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)
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type BoltItem interface {
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UpdateId(int)
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Id() int
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}
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// OpenDatabase opens the database, at a given path, for reading and writing.
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// If the file does not exist it will be created.
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func OpenDatabase(path string) (*bolt.DB, error) {
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@ -48,13 +51,13 @@ func OpenDatabase(path string) (*bolt.DB, error) {
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return db, nil
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}
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// WriteStatusList saves one or more statuses to the status bucket.
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func WriteStatusList(db *bolt.DB, statuses []status.Status) error {
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if len(statuses) == 0 {
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// WriteMany saves one or more statuses to the status bucket.
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func WriteMany(db *bolt.DB, bucketName string, items []BoltItem) error {
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if len(items) == 0 {
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return nil
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}
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bucket := []byte(statusBucket)
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bucket := []byte(bucketName)
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err := db.Update(func(tx *bolt.Tx) error {
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b := tx.Bucket(bucket)
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@ -63,24 +66,24 @@ func WriteStatusList(db *bolt.DB, statuses []status.Status) error {
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return bucketNotExistError{bucket: string(bucket)}
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}
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for _, v := range statuses {
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for _, i := range items {
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var err error
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if v.ID < 1 {
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if i.Id() < 1 {
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var id uint64
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if id, err = b.NextSequence(); err != nil {
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return fmt.Errorf("unable to generate ID, %w", err)
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}
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v.ID = int(id)
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i.UpdateId(int(id))
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}
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buf := new(bytes.Buffer)
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encoder := gob.NewEncoder(buf)
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if err = encoder.Encode(v); err != nil {
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if err = encoder.Encode(i); err != nil {
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return fmt.Errorf("unable to encode data, %w", err)
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}
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if err = b.Put([]byte(strconv.Itoa(v.ID)), buf.Bytes()); err != nil {
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if err = b.Put([]byte(strconv.Itoa(i.Id())), buf.Bytes()); err != nil {
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return fmt.Errorf("unable to add the status to the bucket, %w", err)
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}
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}
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|
@ -94,11 +97,13 @@ func WriteStatusList(db *bolt.DB, statuses []status.Status) error {
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return nil
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}
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|
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// ReadStatusList retrieves all the statuses from the status bucket.
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func ReadStatusList(db *bolt.DB) ([]status.Status, error) {
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var statuses []status.Status
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// TODO: Create ReadMany
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|
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bucket := []byte(statusBucket)
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// ReadAll retrieves all the statuses from the status bucket.
|
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func ReadAll(db *bolt.DB, bucketName string) ([][]byte, error) {
|
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bucket := []byte(bucketName)
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var output [][]byte
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|
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err := db.View(func(tx *bolt.Tx) error {
|
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b := tx.Bucket(bucket)
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|
@ -108,14 +113,7 @@ func ReadStatusList(db *bolt.DB) ([]status.Status, error) {
|
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}
|
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|
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if err := b.ForEach(func(_, v []byte) error {
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var s status.Status
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buf := bytes.NewBuffer(v)
|
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decoder := gob.NewDecoder(buf)
|
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if err := decoder.Decode(&s); err != nil {
|
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return fmt.Errorf("unable to decode data, %w", err)
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}
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|
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statuses = append(statuses, s)
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output = append(output, v)
|
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|
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return nil
|
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}); err != nil {
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|
@ -125,15 +123,15 @@ func ReadStatusList(db *bolt.DB) ([]status.Status, error) {
|
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return nil
|
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})
|
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if err != nil {
|
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return statuses, fmt.Errorf("error while loading statuses from the database, %w", err)
|
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return output, fmt.Errorf("error while loading statuses from the database, %w", err)
|
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}
|
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|
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return statuses, nil
|
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return output, nil
|
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}
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|
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// WriteCard creates or updates a card to the card bucket in BoltDB.
|
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func WriteCard(db *bolt.DB, card card.Card) (int, error) {
|
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bucket := []byte(cardBucket)
|
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// Write creates or updates a Bolt item to a specified bucket.
|
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func Write(db *bolt.DB, bucketName string, item BoltItem) (int, error) {
|
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bucket := []byte(bucketName)
|
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|
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err := db.Update(func(tx *bolt.Tx) error {
|
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var err error
|
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|
@ -143,60 +141,54 @@ func WriteCard(db *bolt.DB, card card.Card) (int, error) {
|
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return bucketNotExistError{bucket: string(bucket)}
|
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}
|
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|
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if card.ID < 1 {
|
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if item.Id() < 1 {
|
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var id uint64
|
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if id, err = b.NextSequence(); err != nil {
|
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return fmt.Errorf("unable to generate an ID for the card, %w", err)
|
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}
|
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card.ID = int(id)
|
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item.UpdateId(int(id))
|
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}
|
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|
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buf := new(bytes.Buffer)
|
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encoder := gob.NewEncoder(buf)
|
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if err = encoder.Encode(card); err != nil {
|
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if err = encoder.Encode(item); err != nil {
|
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return fmt.Errorf("unable to encode data, %w", err)
|
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}
|
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|
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if err = b.Put([]byte(strconv.Itoa(card.ID)), buf.Bytes()); err != nil {
|
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if err = b.Put([]byte(strconv.Itoa(item.Id())), buf.Bytes()); err != nil {
|
||||
return fmt.Errorf("unable to write the card to the bucket, %w", err)
|
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}
|
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|
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return nil
|
||||
})
|
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if err != nil {
|
||||
return card.ID, fmt.Errorf("error while saving the card to the database, %w", err)
|
||||
return 0, fmt.Errorf("error while saving the card to the database, %w", err)
|
||||
}
|
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|
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return card.ID, nil
|
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return item.Id(), nil
|
||||
}
|
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|
||||
// ReadCard reads a card from the cards bucket in BoltDB.
|
||||
func ReadCard(db *bolt.DB, id int) (card.Card, error) {
|
||||
var card card.Card
|
||||
// Read retrieves a Bolt item from a specified bucket and returns the data in bytes.
|
||||
func Read(db *bolt.DB, bucketName string, id int) ([]byte, error) {
|
||||
bucket := []byte(bucketName)
|
||||
|
||||
bucket := []byte(cardBucket)
|
||||
var data []byte
|
||||
|
||||
err := db.View(func(tx *bolt.Tx) error {
|
||||
if err := db.View(func(tx *bolt.Tx) error {
|
||||
b := tx.Bucket(bucket)
|
||||
|
||||
if b == nil {
|
||||
return bucketNotExistError{bucket: string(bucket)}
|
||||
}
|
||||
|
||||
buf := bytes.NewBuffer(b.Get([]byte(strconv.Itoa(id))))
|
||||
|
||||
decoder := gob.NewDecoder(buf)
|
||||
if err := decoder.Decode(&card); err != nil {
|
||||
return fmt.Errorf("unable to decode card data, %w", err)
|
||||
}
|
||||
data = b.Get([]byte(strconv.Itoa(id)))
|
||||
|
||||
return nil
|
||||
})
|
||||
if err != nil {
|
||||
return card, fmt.Errorf("error while loading the card from the database, %w", err)
|
||||
}); err != nil {
|
||||
return []byte{}, fmt.Errorf("error while reading the Bolt item from the database, %w", err)
|
||||
}
|
||||
|
||||
return card, nil
|
||||
return data, nil
|
||||
}
|
||||
|
||||
// dbPath returns the path to the database file. If a path is given then that is returned. Otherwise the default path is returned.
|
||||
|
@ -246,7 +238,7 @@ func mkDataDir(path string) error {
|
|||
|
||||
// ensureBuckets ensures that the required buckets are created in the database.
|
||||
func ensureBuckets(db *bolt.DB) error {
|
||||
buckets := []string{statusBucket, cardBucket}
|
||||
buckets := []string{StatusBucket, CardBucket}
|
||||
|
||||
err := db.Update(func(tx *bolt.Tx) error {
|
||||
for _, v := range buckets {
|
||||
|
|
|
@ -1,15 +1,16 @@
|
|||
package database_test
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/gob"
|
||||
"fmt"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"reflect"
|
||||
"testing"
|
||||
|
||||
"forge.dananglin.me.uk/code/dananglin/pelican/internal/card"
|
||||
"forge.dananglin.me.uk/code/dananglin/pelican/internal/board"
|
||||
"forge.dananglin.me.uk/code/dananglin/pelican/internal/database"
|
||||
"forge.dananglin.me.uk/code/dananglin/pelican/internal/status"
|
||||
bolt "go.etcd.io/bbolt"
|
||||
)
|
||||
|
||||
|
@ -78,7 +79,7 @@ func TestWriteAndReadStatusList(t *testing.T) {
|
|||
func testWriteStatusList(t *testing.T, db *bolt.DB) {
|
||||
t.Helper()
|
||||
|
||||
newStatusList := []status.Status{
|
||||
newStatusList := []board.Status{
|
||||
{
|
||||
ID: -1,
|
||||
Name: "Backlog",
|
||||
|
@ -105,7 +106,13 @@ func testWriteStatusList(t *testing.T, db *bolt.DB) {
|
|||
},
|
||||
}
|
||||
|
||||
if err := database.WriteStatusList(db, newStatusList); err != nil {
|
||||
boltItems := make([]database.BoltItem, len(newStatusList))
|
||||
|
||||
for i := range newStatusList {
|
||||
boltItems[i] = &newStatusList[i]
|
||||
}
|
||||
|
||||
if err := database.WriteMany(db, database.StatusBucket, boltItems); err != nil {
|
||||
t.Fatalf("An error occurred whilst writing the initial status list to the database, %s", err)
|
||||
}
|
||||
}
|
||||
|
@ -113,12 +120,28 @@ func testWriteStatusList(t *testing.T, db *bolt.DB) {
|
|||
func testReadStatusList(t *testing.T, db *bolt.DB) {
|
||||
t.Helper()
|
||||
|
||||
got, err := database.ReadStatusList(db)
|
||||
data, err := database.ReadAll(db, database.StatusBucket)
|
||||
if err != nil {
|
||||
t.Fatalf("An error occurred whilst reading the modified status list from the database, %s", err)
|
||||
}
|
||||
|
||||
want := []status.Status{
|
||||
got := make([]board.Status, len(data))
|
||||
|
||||
for i, d := range data {
|
||||
buf := bytes.NewBuffer(d)
|
||||
|
||||
decoder := gob.NewDecoder(buf)
|
||||
|
||||
var s board.Status
|
||||
|
||||
if err := decoder.Decode(&s); err != nil {
|
||||
t.Fatalf("An error occurred whilst decoding data, %s", err)
|
||||
}
|
||||
|
||||
got[i] = s
|
||||
}
|
||||
|
||||
want := []board.Status{
|
||||
{
|
||||
ID: 1,
|
||||
Name: "Backlog",
|
||||
|
@ -182,13 +205,13 @@ func TestReadAndWriteCard(t *testing.T) {
|
|||
func testWriteCard(t *testing.T, db *bolt.DB) int {
|
||||
t.Helper()
|
||||
|
||||
newCard := card.Card{
|
||||
newCard := board.Card{
|
||||
ID: -1,
|
||||
Title: "A test task.",
|
||||
Content: "This task should be completed.",
|
||||
}
|
||||
|
||||
cardID, err := database.WriteCard(db, newCard)
|
||||
cardID, err := database.Write(db, database.CardBucket, &newCard)
|
||||
if err != nil {
|
||||
t.Fatalf("An error occurred whilst writing the card to the database, %s", err)
|
||||
}
|
||||
|
@ -199,12 +222,22 @@ func testWriteCard(t *testing.T, db *bolt.DB) int {
|
|||
func testReadCard(t *testing.T, db *bolt.DB, cardID int) {
|
||||
t.Helper()
|
||||
|
||||
got, err := database.ReadCard(db, cardID)
|
||||
data, err := database.Read(db, database.CardBucket, cardID)
|
||||
if err != nil {
|
||||
t.Fatalf("An error occurred whilst loading the modified from the database, %s", err)
|
||||
}
|
||||
|
||||
want := card.Card{
|
||||
var got board.Card
|
||||
|
||||
buf := bytes.NewBuffer(data)
|
||||
|
||||
decoder := gob.NewDecoder(buf)
|
||||
|
||||
if err := decoder.Decode(&got); err != nil {
|
||||
t.Fatalf("Unable to decode data, %s", err)
|
||||
}
|
||||
|
||||
want := board.Card{
|
||||
ID: 1,
|
||||
Title: "A test task.",
|
||||
Content: "This task should be completed.",
|
||||
|
|
Loading…
Reference in a new issue