cesnimda/jobtrackingapp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: enrich gmail correspondence metadata

Browse Source
This commit is contained in:
cesnimda
2026-04-01 16:27:34 +02:00
parent e5bcf9d5ea
commit f48136f04c
9 changed files with 133 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
JobTrackerApi/Services/GmailOAuthService.cs
+51 -2
View File
@@ -27,7 +27,8 @@ public interface IGmailOAuthService
public sealed record GmailOAuthExchangeResult(string GmailAddress);
public sealed record GmailMessageSummary(string Id, string ThreadId, string Subject, string From, string To, DateTimeOffset? Date, string Snippet);
public sealed record GmailQueryMatchedMessage(GmailMessageSummary Message, IReadOnlyList<string> MatchedQueries);
public sealed record GmailMessageDetail(string Id, string ThreadId, string Subject, string From, string To, DateTimeOffset? Date, string Snippet, string BodyText, string? BodyHtml);
public sealed record GmailMessageAttachment(string? FileName, string? MimeType, long? SizeBytes, string? GmailAttachmentId, bool Inline);
public sealed record GmailMessageDetail(string Id, string ThreadId, string Subject, string From, string To, DateTimeOffset? Date, string Snippet, string BodyText, string? BodyHtml, IReadOnlyList<string> Labels, IReadOnlyList<GmailMessageAttachment> Attachments);
internal sealed class GmailTokenResponse
{
@@ -321,9 +322,13 @@ public sealed class GmailOAuthService : IGmailOAuthService
var threadId = root.TryGetProperty("threadId", out var threadEl) ? threadEl.GetString() ?? "" : "";
var snippet = root.TryGetProperty("snippet", out var snippetEl) ? snippetEl.GetString() ?? "" : "";
var labels = root.TryGetProperty("labelIds", out var labelIdsEl) && labelIdsEl.ValueKind == JsonValueKind.Array
? labelIdsEl.EnumerateArray().Where(x => x.ValueKind == JsonValueKind.String).Select(x => x.GetString()).Where(x => !string.IsNullOrWhiteSpace(x)).Cast<string>().ToList()
: new List<string>();
var payload = root.GetProperty("payload");
var headers = ReadHeaders(payload);
var attachments = ReadAttachments(payload);
var bodyText = ExtractBody(payload, "text/plain");
var bodyHtml = ExtractBody(payload, "text/html");
if (string.IsNullOrWhiteSpace(bodyText) && !string.IsNullOrWhiteSpace(bodyHtml))
@@ -345,7 +350,9 @@ public sealed class GmailOAuthService : IGmailOAuthService
headers.TryGetValue("date", out var dateRaw) && DateTimeOffset.TryParse(dateRaw, out var parsedDate) ? parsedDate : null,
snippet,
bodyText.Trim(),
string.IsNullOrWhiteSpace(bodyHtml) ? null : bodyHtml
string.IsNullOrWhiteSpace(bodyHtml) ? null : bodyHtml,
labels,
attachments
);
}
catch (Exception ex)
@@ -538,6 +545,48 @@ public sealed class GmailOAuthService : IGmailOAuthService
return result;
}
private static List<GmailMessageAttachment> ReadAttachments(JsonElement payload)
{
var results = new List<GmailMessageAttachment>();
ReadAttachmentsRecursive(payload, results);
return results;
}
private static void ReadAttachmentsRecursive(JsonElement payload, List<GmailMessageAttachment> results)
{
var body = payload.TryGetProperty("body", out var bodyEl) && bodyEl.ValueKind == JsonValueKind.Object
? bodyEl
: default;
var gmailAttachmentId = body.ValueKind == JsonValueKind.Object && body.TryGetProperty("attachmentId", out var attachmentIdEl) && attachmentIdEl.ValueKind == JsonValueKind.String
? attachmentIdEl.GetString()
: null;
var filename = payload.TryGetProperty("filename", out var filenameEl) ? filenameEl.GetString() : null;
var mimeType = payload.TryGetProperty("mimeType", out var mimeTypeEl) ? mimeTypeEl.GetString() : null;
var sizeBytes = body.ValueKind == JsonValueKind.Object && body.TryGetProperty("size", out var sizeEl) && sizeEl.ValueKind == JsonValueKind.Number
? sizeEl.GetInt64()
: (long?)null;
var disposition = payload.TryGetProperty("headers", out var headersEl) && headersEl.ValueKind == JsonValueKind.Array
? headersEl.EnumerateArray()
.Where(h => h.TryGetProperty("name", out var n) && string.Equals(n.GetString(), "Content-Disposition", StringComparison.OrdinalIgnoreCase))
.Select(h => h.TryGetProperty("value", out var v) ? v.GetString() : null)
.FirstOrDefault()
: null;
var isInline = !string.IsNullOrWhiteSpace(disposition) && disposition.Contains("inline", StringComparison.OrdinalIgnoreCase);
if (!string.IsNullOrWhiteSpace(gmailAttachmentId) || !string.IsNullOrWhiteSpace(filename))
{
results.Add(new GmailMessageAttachment(filename, mimeType, sizeBytes, gmailAttachmentId, isInline));
}
if (payload.TryGetProperty("parts", out var partsEl) && partsEl.ValueKind == JsonValueKind.Array)
{
foreach (var part in partsEl.EnumerateArray())
{
ReadAttachmentsRecursive(part, results);
}
}
}
private static string ExtractBody(JsonElement payload, string mimeType)
{
if (payload.TryGetProperty("mimeType", out var mimeTypeEl) &&