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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package file | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/alanxoc3/concards/internal" | ||
| "github.com/alanxoc3/concards/internal/meta" | ||
| ) | ||
|
|
||
| func createDir(path string) { | ||
| if err := os.MkdirAll(path, 0755); err != nil { | ||
| internal.AssertError(fmt.Sprintf("Problem creating directory \"%s\".", path)) | ||
| } | ||
| } | ||
|
|
||
| func WritePredictsToFile(l []*meta.Predict, filename string) error { | ||
| createDir(filepath.Dir(filename)) | ||
|
|
||
| err := ioutil.WriteFile(filename, []byte(WritePredictsToString(l)), 0644) | ||
| if err != nil { | ||
| return fmt.Errorf("Error: Writing to \"%s\" failed.", filename) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // TODO: clean me up please. | ||
| func WriteOutcomesToFile(l []*meta.Outcome, filename string) error { | ||
| outcomes := ReadOutcomesFromFile(filename) | ||
| outcomes = append(outcomes, l...) | ||
|
|
||
| outcomeMap := map[meta.Key]*meta.Outcome{} | ||
| for _, o := range outcomes { | ||
| outcomeMap[o.Key()] = o | ||
| } | ||
|
|
||
| outcomes = []*meta.Outcome{} | ||
| for _, v := range outcomeMap { | ||
| outcomes = append(outcomes, v) | ||
| } | ||
|
|
||
| createDir(filepath.Dir(filename)) | ||
|
|
||
| err := ioutil.WriteFile(filename, []byte(WriteOutcomesToString(outcomes)), 0644) | ||
| if err != nil { | ||
| return fmt.Errorf("Error: Writing to \"%s\" failed.", filename) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| package internal_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/alanxoc3/concards/internal" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestNewHash(t *testing.T) { | ||
| h := internal.NewHash("a") | ||
| assert.Equal(t, "a0000000000000000000000000000000", h.String()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package history | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/alanxoc3/concards/internal/deck" | ||
| ) | ||
|
|
||
| type Manager struct { | ||
| decks []*deck.Deck | ||
| loc int | ||
| } | ||
|
|
||
| func NewManager() *Manager { | ||
| return &Manager{[]*deck.Deck{}, 0} | ||
| } | ||
|
|
||
| // Saves the deck onto the change stack. | ||
| func (m *Manager) Save(decks ...*deck.Deck) { | ||
| for _, d := range decks { | ||
| if len(m.decks) > 0 { | ||
| // Slice is exclusive, hence the +1 | ||
| m.decks = m.decks[:m.loc+1] | ||
| } | ||
|
|
||
| m.decks = append(m.decks, d.Copy()) | ||
| m.loc = len(m.decks) - 1 | ||
| } | ||
| } | ||
|
|
||
| // Returns the state of the deck, error if there are no more redo operations. | ||
| func (m *Manager) Redo() (*deck.Deck, error) { | ||
| if m.loc+1 < len(m.decks) { | ||
| m.loc++ | ||
| d := m.decks[m.loc] | ||
|
|
||
| return d, nil | ||
| } else { | ||
| return nil, fmt.Errorf("Nothing to redo.") | ||
| } | ||
| } | ||
|
|
||
| // Returns the state of the deck, error if there are no more undo operations. | ||
| func (m *Manager) Undo() (*deck.Deck, error) { | ||
| if m.loc > 0 { | ||
| m.loc-- | ||
| d := m.decks[m.loc] | ||
|
|
||
| return d, nil | ||
| } else { | ||
| return nil, fmt.Errorf("Nothing to undo.") | ||
| } | ||
| } |
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