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Added "tail" parameter to GET /admin/logs to allow returning the last X (limit) lines.

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This should make it easy to display core logs in the UI.
This commit is contained in:
CalDescent 2022-04-30 12:07:47 +01:00
parent e5b4b61832
commit a4bcd4451c
1 changed files with 11 additions and 0 deletions
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11
src/main/java/org/qortal/api/resource/AdminResource.java
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@ -381,6 +381,10 @@ public class AdminResource {
) @QueryParam("limit") Integer limit, @Parameter(
ref = "offset"
) @QueryParam("offset") Integer offset, @Parameter(
name = "tail",
description = "Fetch most recent log lines",
schema = @Schema(type = "boolean")
) @QueryParam("tail") Boolean tail, @Parameter(
ref = "reverse"
) @QueryParam("reverse") Boolean reverse) {
LoggerContext loggerContext = (LoggerContext) LogManager.getContext();
@ -396,6 +400,13 @@ public class AdminResource {
if (reverse != null && reverse)
logLines = Lists.reverse(logLines);
// Tail mode - return the last X lines (where X = limit)
if (tail != null && tail) {
if (limit != null && limit > 0) {
offset = logLines.size() - limit;
}
}
// offset out of bounds?
if (offset != null && (offset < 0 || offset >= logLines.size()))
return "";