feat: Issue view mode

internal/view/epic.go

@@ -3,6 +3,8 @@ package view
 import (
 	"fmt"
 
+	"github.com/ankitpokhrel/jira-cli/api"
+	"github.com/ankitpokhrel/jira-cli/internal/cmdutil"
 	"github.com/ankitpokhrel/jira-cli/pkg/jira"
 	"github.com/ankitpokhrel/jira-cli/pkg/tui"
 )
@@ -17,22 +19,42 @@ type EpicList struct {
 	Server  string
 	Data    []*jira.Issue
 	Issues  EpicIssueFunc
-
-	issueCache map[string]tui.TableData
 }
 
 // Render renders the epic explorer view.
 func (el EpicList) Render() error {
-	data := el.data()
+	renderer, err := MDRenderer()
+	if err != nil {
+		return err
+	}
 
+	data := el.data()
 	view := tui.NewPreview(
 		tui.WithPreviewFooterText(fmt.Sprintf("Showing %d of %d results for project \"%s\"", len(el.Data), el.Total, el.Project)),
 		tui.WithInitialText(helpText),
 		tui.WithSidebarSelectedFunc(navigate(el.Server)),
-		tui.WithContentTableOpts(tui.WithSelectedFunc(navigate(el.Server))),
+		tui.WithContentTableOpts(
+			tui.WithSelectedFunc(navigate(el.Server)),
+			tui.WithViewModeFunc(func(r, c int, d interface{}) error {
+				issue := func() *jira.Issue {
+					s := cmdutil.Info("Fetching issue details...")
+					defer s.Stop()
+
+					dt := d.(tui.TableData)
+					issue, _ := api.Client(jira.Config{Debug: true}).GetIssue(dt[r][1])
+
+					return issue
+				}()
+				out, err := renderer.Render(Issue{Data: issue}.String())
+				if err != nil {
+					return err
+				}
+				return PagerOut(out)
+			}),
+		),
 	)
 
-	return view.Render(data)
+	return view.Paint(data)
 }
 
 func (el EpicList) data() []tui.PreviewData {
@@ -51,17 +73,8 @@ func (el EpicList) data() []tui.PreviewData {
 			Key:  issue.Key,
 			Menu: fmt.Sprintf("➤ %s: %s", issue.Key, prepareTitle(issue.Fields.Summary)),
 			Contents: func(key string) interface{} {
-				if el.issueCache == nil {
-					el.issueCache = make(map[string]tui.TableData)
-				}
-
-				if _, ok := el.issueCache[key]; !ok {
-					issues := el.Issues(key)
-
-					el.issueCache[key] = el.tabularize(issues)
-				}
-
-				return el.issueCache[key]
+				issues := el.Issues(key)
+				return el.tabularize(issues)
 			},
 		})
 	}

internal/view/helper.go

@@ -10,26 +10,36 @@ import (
 	"text/tabwriter"
 	"time"
 
+	"github.com/charmbracelet/glamour"
 	"github.com/pkg/browser"
 
 	"github.com/ankitpokhrel/jira-cli/pkg/tui"
 )
 
-const helpText = `Use up and down arrow keys or 'j' and 'k' letters to navigate through the list.
-
-	Press 'w' to toggle focus between the sidebar and the contents screen. On contents screen,
-	you can use arrow keys or 'j', 'k', 'h', and 'l' letters to navigate through the epic issue list.
-
-	Press ENTER to open the selected issue in the browser.
-
+const (
+	wordWrap = 120
+	helpText = `USAGE
+	-----
+	
+	The layout contains 2 sections, viz: Sidebar and Contents screen.  
+	
+	You can use up and down arrow keys or 'j' and 'k' letters to navigate through the sidebar.
+	Press 'w' to toggle focus between the sidebar and the contents screen. 
+	
+	On contents screen:
+	  - Use arrow keys or 'j', 'k', 'h', and 'l' letters to navigate through the issue list.
+	  - Use 'g' and 'SHIFT+G' to quickly navigate to the top and bottom respectively.
+	  - Press 'v' to view selected issue details.
+	  - Hit ENTER to open the selected issue in a browser.
+	
 	Press 'q' / ESC / CTRL+C to quit.`
+)
 
 func formatDateTime(dt, format string) string {
 	t, err := time.Parse(format, dt)
 	if err != nil {
 		return dt
 	}
-
 	return t.Format("2006-01-02 15:04:05")
 }
 
@@ -38,7 +48,6 @@ func formatDateTimeHuman(dt, format string) string {
 	if err != nil {
 		return dt
 	}
-
 	return t.Format("Mon, 02 Jan 06")
 }
 
@@ -80,14 +89,12 @@ func navigate(server string) tui.SelectedFunc {
 func renderPlain(w io.Writer, data tui.TableData) error {
 	for _, items := range data {
 		n := len(items)
-
 		for j, v := range items {
 			_, _ = fmt.Fprintf(w, "%s", v)
 			if j != n-1 {
 				_, _ = fmt.Fprintf(w, "\t")
 			}
 		}
-
 		_, _ = fmt.Fprintln(w)
 	}
 
@@ -151,3 +158,11 @@ func PagerOut(out string) error {
 	cmd.Stdout = os.Stdout
 	return cmd.Run()
 }
+
+// MDRenderer constructs markdown renderer.
+func MDRenderer() (*glamour.TermRenderer, error) {
+	return glamour.NewTermRenderer(
+		glamour.WithAutoStyle(),
+		glamour.WithWordWrap(wordWrap),
+	)
+}

internal/view/issue.go

@@ -13,8 +13,6 @@ import (
 	"github.com/ankitpokhrel/jira-cli/pkg/tui"
 )
 
-const wordWrap = 120
-
 // Issue is a list view for issues.
 type Issue struct {
 	Data    *jira.Issue
@@ -28,10 +26,7 @@ func (i Issue) Render() error {
 	}
 
 	data := i.data()
-	r, err := glamour.NewTermRenderer(
-		glamour.WithAutoStyle(),
-		glamour.WithWordWrap(wordWrap),
-	)
+	r, err := MDRenderer()
 	if err != nil {
 		return err
 	}
@@ -43,6 +38,10 @@ func (i Issue) Render() error {
 }
 
 func (i Issue) data() tui.TextData {
+	return tui.TextData(i.String())
+}
+
+func (i Issue) String() string {
 	as := i.Data.Fields.Assignee.Name
 	if as == "" {
 		as = "Unassigned"
@@ -64,15 +63,14 @@ func (i Issue) data() tui.TextData {
 		tr := adf.NewTranslator(i.Data.Fields.Description.(*adf.ADF), &adf.MarkdownTranslator{})
 		desc = tr.Translate()
 	}
-	dt := fmt.Sprintf(
+	return fmt.Sprintf(
 		"%s %s  %s %s  ⌛ %s  👷 %s\n# %s\n⏱️  %s  🔎 %s  🚀 %s  🏷️  %s\n\n-----------\n%s",
 		iti, it, sti, st, formatDateTimeHuman(i.Data.Fields.Updated, jira.RFC3339), as,
 		i.Data.Fields.Summary,
 		formatDateTimeHuman(i.Data.Fields.Created, jira.RFC3339), i.Data.Fields.Reporter.Name,
 		i.Data.Fields.Priority.Name, lbl,
 		desc,
 	)
-	return tui.TextData(dt)
 }
 
 // renderPlain renders the issue in plain view.

internal/view/issues.go

@@ -7,6 +7,8 @@ import (
 	"strings"
 	"text/tabwriter"
 
+	"github.com/ankitpokhrel/jira-cli/api"
+	"github.com/ankitpokhrel/jira-cli/internal/cmdutil"
 	"github.com/ankitpokhrel/jira-cli/pkg/jira"
 	"github.com/ankitpokhrel/jira-cli/pkg/tui"
 )
@@ -40,16 +42,35 @@ func (l IssueList) Render() error {
 		return l.renderPlain(w)
 	}
 
-	data := l.data()
+	renderer, err := MDRenderer()
+	if err != nil {
+		return err
+	}
 
+	data := l.data()
 	view := tui.NewTable(
 		tui.WithColPadding(colPadding),
 		tui.WithMaxColWidth(maxColWidth),
 		tui.WithTableFooterText(fmt.Sprintf("Showing %d of %d results for project \"%s\"", len(data)-1, l.Total, l.Project)),
 		tui.WithSelectedFunc(navigate(l.Server)),
+		tui.WithViewModeFunc(func(r, c int, _ interface{}) error {
+			issue := func() *jira.Issue {
+				s := cmdutil.Info("Fetching issue details...")
+				defer s.Stop()
+
+				issue, _ := api.Client(jira.Config{Debug: true}).GetIssue(data[r][1])
+
+				return issue
+			}()
+			out, err := renderer.Render(Issue{Data: issue}.String())
+			if err != nil {
+				return err
+			}
+			return PagerOut(out)
+		}),
 	)
 
-	return view.Render(data)
+	return view.Paint(data)
 }
 
 // renderPlain renders the issue in plain view.

internal/view/sprint.go

@@ -8,6 +8,8 @@ import (
 	"text/tabwriter"
 	"time"
 
+	"github.com/ankitpokhrel/jira-cli/api"
+	"github.com/ankitpokhrel/jira-cli/internal/cmdutil"
 	"github.com/ankitpokhrel/jira-cli/pkg/jira"
 	"github.com/ankitpokhrel/jira-cli/pkg/tui"
 )
@@ -23,14 +25,16 @@ type SprintList struct {
 	Data    []*jira.Sprint
 	Issues  SprintIssueFunc
 	Display DisplayFormat
-
-	issueCache map[string]tui.TableData
 }
 
 // Render renders the sprint explorer view.
 func (sl SprintList) Render() error {
-	data := sl.data()
+	renderer, err := MDRenderer()
+	if err != nil {
+		return err
+	}
 
+	data := sl.data()
 	view := tui.NewPreview(
 		tui.WithPreviewFooterText(
 			fmt.Sprintf(
@@ -39,10 +43,28 @@ func (sl SprintList) Render() error {
 			),
 		),
 		tui.WithInitialText(helpText),
-		tui.WithContentTableOpts(tui.WithSelectedFunc(navigate(sl.Server))),
+		tui.WithContentTableOpts(
+			tui.WithSelectedFunc(navigate(sl.Server)),
+			tui.WithViewModeFunc(func(r, c int, d interface{}) error {
+				issue := func() *jira.Issue {
+					s := cmdutil.Info("Fetching issue details...")
+					defer s.Stop()
+
+					dt := d.(tui.TableData)
+					issue, _ := api.Client(jira.Config{Debug: true}).GetIssue(dt[r][1])
+
+					return issue
+				}()
+				out, err := renderer.Render(Issue{Data: issue}.String())
+				if err != nil {
+					return err
+				}
+				return PagerOut(out)
+			}),
+		),
 	)
 
-	return view.Render(data)
+	return view.Paint(data)
 }
 
 // RenderInTable renders the list in table view.
@@ -65,7 +87,7 @@ func (sl SprintList) RenderInTable() error {
 		),
 	)
 
-	return view.Render(data)
+	return view.Paint(data)
 }
 
 // renderPlain renders the issue in plain view.
@@ -97,17 +119,8 @@ func (sl SprintList) data() []tui.PreviewData {
 				formatDateTimeHuman(s.EndDate, time.RFC3339),
 			),
 			Contents: func(key string) interface{} {
-				if sl.issueCache == nil {
-					sl.issueCache = make(map[string]tui.TableData)
-				}
-
-				if _, ok := sl.issueCache[key]; !ok {
-					issues := sl.Issues(bid, sid)
-
-					sl.issueCache[key] = sl.tabularize(issues)
-				}
-
-				return sl.issueCache[key]
+				issues := sl.Issues(bid, sid)
+				return sl.tabularize(issues)
 			},
 		})
 	}

pkg/tui/helper.go

@@ -3,9 +3,6 @@ package tui
 import (
 	"bufio"
 	"strings"
-
-	"github.com/gdamore/tcell/v2"
-	"github.com/rivo/tview"
 )
 
 func pad(in string, n uint) string {
@@ -41,33 +38,3 @@ func splitText(s string) []string {
 
 	return lines
 }
-
-func renderTableHeader(t *Table, data []string) {
-	style := tcell.StyleDefault.Bold(true).Background(tcell.ColorDarkCyan)
-
-	for c := 0; c < len(data); c++ {
-		text := " " + data[c]
-
-		cell := tview.NewTableCell(text).
-			SetStyle(style).
-			SetSelectable(false).
-			SetMaxWidth(int(t.maxColWidth)).
-			SetTextColor(tcell.ColorSnow)
-
-		t.view.SetCell(0, c, cell)
-	}
-}
-
-func renderTableCell(t *Table, data [][]string) {
-	rows, cols := len(data), len(data[0])
-
-	for r := 1; r < rows; r++ {
-		for c := 0; c < cols; c++ {
-			cell := tview.NewTableCell(pad(data[r][c], t.colPad)).
-				SetMaxWidth(int(t.maxColWidth)).
-				SetTextColor(tcell.ColorDefault)
-
-			t.view.SetCell(r, c, cell)
-		}
-	}
-}