Implement timetrace list records command (#16)

README.md

@@ -150,6 +150,28 @@ timetrace list projects
 +---+-------------+
 ```
 
+### List all records from a date
+
+**Syntax:**
+
+```
+timetrace list records <YYYY-MM-DD>
+```
+
+**Arguments:**
+
+|Argument|Description|
+|-|-|
+|`YYYY-MM-DD`|The date of the records to list.|
+
+**Example:**
+
+Display all records created on May 1st 2021:
+
+```
+timetrace list records 2021-05-01
+```
+
 ### Edit a project
 
 **Syntax:**

cli/list.go

@@ -2,13 +2,18 @@ package cli
 
 import (
 	"strconv"
+	"time"
 
 	"github.com/dominikbraun/timetrace/core"
 	"github.com/dominikbraun/timetrace/out"
 
 	"github.com/spf13/cobra"
 )
 
+const (
+	defaultTimeLayout = "15:04"
+)
+
 func listCommand(t *core.Timetrace) *cobra.Command {
 	list := &cobra.Command{
 		Use:   "list",
@@ -19,6 +24,7 @@ func listCommand(t *core.Timetrace) *cobra.Command {
 	}
 
 	list.AddCommand(listProjectsCommand(t))
+	list.AddCommand(listRecordsCommand(t))
 
 	return list
 }
@@ -48,3 +54,56 @@ func listProjectsCommand(t *core.Timetrace) *cobra.Command {
 
 	return listProjects
 }
+
+func listRecordsCommand(t *core.Timetrace) *cobra.Command {
+	listRecords := &cobra.Command{
+		Use:   "records <YYYY-MM-DD>",
+		Short: "List all records from a date",
+		Args:  cobra.ExactArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			date, err := time.Parse("2006-01-02", args[0])
+			if err != nil {
+				out.Err("failed to parse date: %s", err.Error())
+				return
+			}
+
+			records, err := t.ListRecords(date)
+			if err != nil {
+				out.Err("failed to list records: %s", err.Error())
+				return
+			}
+
+			dateLayout := defaultTimeLayout
+
+			if t.Config().Use12Hours {
+				dateLayout = "03:04PM"
+			}
+
+			rows := make([][]string, len(records))
+
+			for i, record := range records {
+				end := defaultString
+
+				if record.End != nil {
+					end = record.End.Format(dateLayout)
+				}
+
+				billable := defaultBool
+
+				if record.IsBillable {
+					billable = "yes"
+				}
+
+				rows[i] = make([]string, 4)
+				rows[i][0] = strconv.Itoa(i + 1)
+				rows[i][1] = record.Start.Format(dateLayout)
+				rows[i][2] = end
+				rows[i][3] = billable
+			}
+
+			out.Table([]string{"#", "Start", "End", "Billable"}, rows)
+		},
+	}
+
+	return listRecords
+}

core/record.go

@@ -31,6 +31,30 @@ func (t *Timetrace) LoadRecord(start time.Time) (*Record, error) {
 	return t.loadRecord(path)
 }
 
+// ListRecords loads and returns all records from the given date. If no records
+// are found, an empty slice and no error will be returned.
+func (t *Timetrace) ListRecords(date time.Time) ([]*Record, error) {
+	dir := t.fs.RecordDirFromDate(date)
+	paths, err := t.fs.RecordFilepaths(dir, func(_, _ string) bool {
+		return true
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	records := make([]*Record, 0)
+
+	for _, path := range paths {
+		record, err := t.loadRecord(path)
+		if err != nil {
+			return nil, err
+		}
+		records = append(records, record)
+	}
+
+	return records, nil
+}
+
 // SaveRecord persists the given record. Returns ErrRecordAlreadyExists if the
 // record already exists and saving isn't forced.
 func (t *Timetrace) SaveRecord(record Record, force bool) error {
@@ -74,7 +98,7 @@ func (t *Timetrace) DeleteRecord(record Record) error {
 func (t *Timetrace) loadAllRecords(date time.Time) ([]*Record, error) {
 	dir := t.fs.RecordDirFromDate(date)
 
-	recordFilepaths, err := t.fs.RecordFilepaths(dir, func(a, b string) bool {
+	recordFilepaths, err := t.fs.RecordFilepaths(dir, func(_, _ string) bool {
 		return true
 	})
 	if err != nil {