#399

frontend/src/lib/postImportStorage.ts

@@ -25,6 +25,31 @@ const ATTRIBUTE_KEYS = [
 const PROVENANCE_KEYS = [...ATTRIBUTE_KEYS, 'url'] as const
 const TAG_SOURCE_KEYS = ['automatic', 'manual'] as const
 const WARNING_KEYS = [...ATTRIBUTE_KEYS, 'url'] as const
+const ROW_KEYS = [
+    'sourceRow',
+    'url',
+    'attributes',
+    'fieldWarnings',
+    'baseWarnings',
+    'validationErrors',
+    'importErrors',
+    'provenance',
+    'tagSources',
+    'status',
+    'skipReason',
+    'existingPostId',
+    'existingPost',
+    'metadataUrl',
+    'resetSnapshot',
+    'createdPostId',
+    'importStatus',
+    'recoverable'] as const
+const SESSION_KEYS = [
+    'version',
+    'expiresAt',
+    'source',
+    'rows',
+    'repairMode'] as const
 
 
 const isPlainObject = (value: unknown): value is Record<string, unknown> =>
@@ -220,10 +245,110 @@ const sanitiseExistingPost = (value: unknown): PostImportExistingPost | undefine
         thumbnailUrl: value.thumbnailUrl as string | undefined }
 }
 
+const recalculateThumbnailWarning = (row: PostImportRow): PostImportRow => {
+    const others = (row.fieldWarnings.thumbnailBase ?? []).filter (
+	key => key !== 'サムネールなし')
+    const thumbnailBasePresent =
+	typeof row.attributes.thumbnailBase === 'string'
+	&& row.attributes.thumbnailBase.trim () !== ''
+
+    return {
+        ...row,
+        fieldWarnings: {
+	    ...row.fieldWarnings,
+	    thumbnailBase:
+		thumbnailBasePresent
+		? others
+		: [...new Set ([...others, 'サムネールなし'])] } }
+}
+
+const serialiseExistingPost = (value: PostImportExistingPost | undefined) =>
+    value == null
+    ? undefined
+    : {
+	 id: value.id,
+	 title: value.title,
+	 url: value.url,
+	 thumbnailUrl: value.thumbnailUrl }
+
+const serialiseResetSnapshot = (value: PostImportResetSnapshot) => ({
+    url: value.url,
+    attributes: Object.fromEntries (
+	Object.entries (value.attributes).map (([key, entry]) => [key, entry])),
+    provenance: Object.fromEntries (
+	Object.entries (value.provenance).map (([key, entry]) => [key, entry])),
+    tagSources: {
+	automatic: value.tagSources.automatic,
+	manual: value.tagSources.manual },
+    fieldWarnings: Object.fromEntries (
+	Object.entries (value.fieldWarnings).map (([key, entry]) => [key, [...entry]])),
+    baseWarnings: [...value.baseWarnings],
+    metadataUrl: value.metadataUrl })
+
+export const serialisePostImportRow = (row: PostImportRow) => {
+    const thumbnailBaseWarnings = (() => {
+      const others = (row.fieldWarnings.thumbnailBase ?? []).filter (
+	  message => message !== 'サムネールなし')
+      const thumbnailBasePresent =
+	  typeof row.attributes.thumbnailBase === 'string'
+	  && row.attributes.thumbnailBase.trim () !== ''
+      return thumbnailBasePresent
+	  ? others
+	  : [...new Set ([...others, 'サムネールなし'])]
+    }) ()
+
+    return {
+	sourceRow: row.sourceRow,
+	url: row.url,
+	attributes: Object.fromEntries (
+	    Object.entries (row.attributes).map (([key, entry]) => [key, entry])),
+	fieldWarnings: Object.fromEntries (
+	    Object.entries ({
+		...row.fieldWarnings,
+		thumbnailBase: thumbnailBaseWarnings }).map (([key, entry]) => [key, [...entry]])),
+	baseWarnings: [...row.baseWarnings],
+	validationErrors: Object.fromEntries (
+	    Object.entries (row.validationErrors).map (([key, entry]) => [key, [...entry]])),
+	importErrors:
+	    row.importErrors == null
+	    ? undefined
+	    : Object.fromEntries (
+		Object.entries (row.importErrors).map (([key, entry]) => [key, [...entry]])),
+	provenance: Object.fromEntries (
+	    Object.entries (row.provenance).map (([key, entry]) => [key, entry])),
+	tagSources:
+	    row.tagSources == null
+	    ? undefined
+	    : {
+		automatic: row.tagSources.automatic,
+		manual: row.tagSources.manual },
+	status: row.status,
+	skipReason: row.skipReason,
+	existingPostId: row.existingPostId,
+	existingPost: serialiseExistingPost (row.existingPost),
+	metadataUrl: row.metadataUrl,
+	resetSnapshot: serialiseResetSnapshot (row.resetSnapshot),
+	createdPostId: row.createdPostId,
+	importStatus: row.importStatus,
+	recoverable: row.recoverable }
+}
+
+export const serialisePostImportRows = (rows: PostImportRow[]) =>
+    rows.map (row => serialisePostImportRow (row))
+
+export const serialisedPostImportRowsEqual = (
+    left:  PostImportRow[],
+    right: PostImportRow[],
+): boolean =>
+    JSON.stringify (serialisePostImportRows (left))
+    === JSON.stringify (serialisePostImportRows (right))
+
 
 const sanitiseRow = (value: unknown): PostImportRow | null => {
     if (!(isPlainObject (value)))
       return null
+    if (!(hasOnlyKeys (value, ROW_KEYS)))
+      return null
     if (!(Number.isInteger (value.sourceRow)) || Number (value.sourceRow) <= 0)
       return null
     if (typeof value.url !== 'string')
@@ -321,6 +446,8 @@ const sanitiseRow = (value: unknown): PostImportRow | null => {
 const sanitiseSession = (value: unknown): PostImportSession | null => {
     if (!(isPlainObject (value)))
       return null
+    if (!(hasOnlyKeys (value, SESSION_KEYS)))
+      return null
     if (value.version !== SESSION_VERSION || !(Array.isArray (value.rows)))
       return null
     if (typeof value.expiresAt !== 'string' || isExpiredSession (value.expiresAt))
@@ -334,7 +461,7 @@ const sanitiseSession = (value: unknown): PostImportSession | null => {
         version: SESSION_VERSION,
         expiresAt: value.expiresAt,
         source: typeof value.source === 'string' ? value.source : '',
-        rows: rows as PostImportRow[],
+        rows: (rows as PostImportRow[]).map (row => recalculateThumbnailWarning (row)),
         repairMode: value.repairMode === 'failed' ? 'failed' : 'all' }
 }
 
@@ -438,7 +565,9 @@ export const savePostImportSession = (
     return writeStorage (
         sessionKey (validatedId),
         JSON.stringify ({
-            ...session,
+            source: session.source,
+            rows: serialisePostImportRows (session.rows),
+            repairMode: session.repairMode,
             version: SESSION_VERSION,
             expiresAt: new Date (Date.now () + SESSION_MAX_AGE_MS).toISOString () }),
         onError)