zhenyi
dcb0fb74c5
- Add advertise_refs functionality for Git protocol communication - Implement archive service with TAR/ZIP format support and streaming - Create blame service for Git file annotation with line tracking - Add branch management including create, delete, rename and compare operations - Implement merge checking with conflict detection and fast-forward handling - Add cherry-pick functionality for applying commits between branches - Integrate gix library for Git repository operations and object handling - Add comprehensive test suite covering all Git operations - Implement proper error handling and repository validation - Add pagination support for large result sets - Create protobuf definitions for all Git operations and data structures - Add build system for gRPC code generation and dependency management
47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
use crate::pb::{PageInfo, Pagination};
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/// Simple offset-based pagination over an in-memory slice.
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/// The `page_token` is a decimal string encoding the start offset.
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pub fn paginate<T: Clone>(items: &[T], pagination: Option<&Pagination>) -> (Vec<T>, PageInfo) {
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let page_size = pagination
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.map(|p| p.page_size as usize)
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.unwrap_or(items.len().max(1))
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.max(1);
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let start_offset = pagination
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.and_then(|p| {
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if p.page_token.is_empty() {
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None
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} else {
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p.page_token.parse::<usize>().ok()
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}
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})
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.unwrap_or(0)
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.min(items.len());
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let end = std::cmp::min(start_offset + page_size, items.len());
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let has_next = end < items.len();
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let next_page_token = if has_next {
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end.to_string()
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} else {
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String::new()
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};
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(
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items[start_offset..end].to_vec(),
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PageInfo {
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next_page_token,
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has_next_page: has_next,
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total_count: items.len() as u64,
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},
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)
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}
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/// Apply sort direction. Ascending = no-op (preserves order).
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/// Descending reverses the slice.
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pub fn apply_sort<T>(items: &mut [T], sort_direction: i32) {
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if sort_direction == crate::pb::SortDirection::Desc as i32 {
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items.reverse();
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}
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}
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