From cbdce79d25206573d1f79c9c647dcaa251b69463 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Mon, 30 Sep 2024 10:51:49 +0300
Subject: add entry "class"

---
 internal/entry/entry.go      | 75 ++++++++++++++++++++++++++++++++++++++++++++
 internal/entry/entry_test.go | 39 +++++++++++++++++++++++
 2 files changed, 114 insertions(+)
 create mode 100644 internal/entry/entry.go
 create mode 100644 internal/entry/entry_test.go

(limited to 'internal/entry')

diff --git a/internal/entry/entry.go b/internal/entry/entry.go
new file mode 100644
index 0000000..4e837a0
--- /dev/null
+++ b/internal/entry/entry.go
@@ -0,0 +1,75 @@
+package entry
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"codeberg.org/snonux/gos/internal/format"
+)
+
+type State int
+
+const (
+	Unknown State = iota
+	Queued
+	Posted
+)
+
+func (s State) String() string {
+	switch s {
+	case Unknown:
+		return "unknown"
+	case Queued:
+		return "queued"
+	case Posted:
+		return "posted"
+	default:
+		panic(fmt.Sprintf("unknown state: %d", int(s)))
+	}
+}
+
+// The time this code was written a:round, actually.
+const oldestValidTime = "20240922-102800"
+
+type Entry struct {
+	Path  string
+	Time  time.Time
+	State State
+}
+
+// filePath format: /foo/foobarbaz.something.here.txt.STAMP.{posted,queued}
+func New(filePath string) (Entry, error) {
+	ent := Entry{Path: filePath}
+
+	// We want to get the STAMP!
+	parts := strings.Split(filePath, ".")
+	if len(parts) < 4 {
+		return ent, fmt.Errorf("not a valid entry path: %s", filePath)
+	}
+
+	switch parts[len(parts)-1] {
+	case "queued":
+		ent.State = Queued
+	case "posted":
+		ent.State = Posted
+	default:
+		return ent, fmt.Errorf("can't parse state from path: %s", filePath)
+	}
+
+	var err error
+	if ent.Time, err = time.Parse(format.Time, parts[len(parts)-2]); err != nil {
+		return ent, err
+	}
+
+	oldestValid, err := time.Parse(format.Time, oldestValidTime)
+	if err != nil {
+		panic(err)
+	}
+
+	if ent.Time.Before(oldestValid) {
+		return ent, fmt.Errorf("entry time does not seem legic, it is too old: %v", ent.Time)
+	}
+
+	return ent, nil
+}
diff --git a/internal/entry/entry_test.go b/internal/entry/entry_test.go
new file mode 100644
index 0000000..5e3a5d3
--- /dev/null
+++ b/internal/entry/entry_test.go
@@ -0,0 +1,39 @@
+package entry
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"codeberg.org/snonux/gos/internal/format"
+)
+
+func TestEntry(t *testing.T) {
+	states := []State{Queued, Posted}
+	stamps := []string{"20240928-111835", "20241028-120135"}
+
+	for _, state := range states {
+		for _, stamp := range stamps {
+			queuedPath := fmt.Sprintf("gosdir/db/platforms/linkedin/helloworld.txt.%s.%s", stamp, state)
+
+			ent, err := New(queuedPath)
+			if err != nil {
+				t.Error(err)
+			}
+			if ent.Path != queuedPath {
+				t.Errorf("expected path %s but got %s", queuedPath, ent.Path)
+			}
+			if ent.State != state {
+				t.Errorf("expected state %s but got %s", state, ent.State)
+			}
+
+			expectedTime, err := time.Parse(format.Time, stamp)
+			if err != nil {
+				t.Error(err)
+			}
+			if ent.Time != expectedTime {
+				t.Errorf("expected time to be %v but got %v", expectedTime, ent.Time)
+			}
+		}
+	}
+}
-- 
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