47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
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//! Memory use-case implementations.
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//!
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//! `MemoryServiceImpl` is generic over `R: MemoryRepository`, delegating
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//! all persistence to that adapter.
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use anyhow::{Context, Result};
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use crate::domain::memory::Memory;
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use crate::domain::repository::MemoryRepository;
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use crate::domain::service::MemoryService;
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/// Generic memory service backed by an injected repository.
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pub struct MemoryServiceImpl<R> {
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pub repo: R,
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pub memory_dir: std::path::PathBuf,
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}
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impl<R: MemoryRepository> MemoryServiceImpl<R> {
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/// Create a new service with the given repository and memory directory.
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pub fn new(repo: R, memory_dir: impl Into<std::path::PathBuf>) -> Self {
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Self {
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repo,
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memory_dir: memory_dir.into(),
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}
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}
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}
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impl<R: MemoryRepository> MemoryService for MemoryServiceImpl<R> {
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fn list_memories(&self) -> Result<Vec<String>> {
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self.repo
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.list(&self.memory_dir)
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.context("failed to list memories")
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}
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fn save_memory(&self, memory: &Memory) -> Result<()> {
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self.repo
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.save(&self.memory_dir, memory)
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.with_context(|| format!("failed to save memory '{}'", memory.name))
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}
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fn delete_memory(&self, name: &str) -> Result<()> {
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self.repo
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.delete(&self.memory_dir, name)
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.with_context(|| format!("failed to delete memory '{name}'"))
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}
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}
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