add `state` package

1 files changed, 33 insertions, 0 deletions

diff --git a/state/state.go b/state/state.go
new file mode 100644
index 0000000..8ad12e3
--- /dev/null
+++ b/state/state.go
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: ISC
+// Copyright © 2021 siddharth <s@ricketyspace.net>
+
+package state
+
+// Contains the result of processing a Feed.
+type FeedResult struct {
+	FeedId string // Feed's identifier
+	Err    error  // Set on error
+}
+
+// Contains the result of processing an Entry.
+type EntryResult struct {
+	EntryId string // Entry's identifier
+	Err     error  // Set on error
+}
+
+type ProcessState struct {
+	YDLPath string
+	DumpDir string
+	// Channel for Feed.Process goroutines to communicate to the
+	// caller about the number of entries that are being
+	// downloaded for a feed.
+	FeedResultChan chan FeedResult
+	// Number of feeds that are being processed.
+	FeedsProcessing int
+}
+
+func NewProcessState() *ProcessState {
+	ps := new(ProcessState)
+	ps.FeedResultChan = make(chan FeedResult)
+	return ps
+}