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Topic/53 cache not reloading correctly after multiple changes to temp…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| using AzureDevOps.WorkItemClone.DataContracts; | ||
| using Newtonsoft.Json; | ||
| using Spectre.Console; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace AzureDevOps.WorkItemClone.Repositories | ||
| { | ||
| public interface IWorkItemRepository | ||
| { | ||
| CashedWorkItems Data {get;} | ||
| IAsyncEnumerable<(int total, int processed, string loadingFrom)> GetWorkItemsFullAsync(); | ||
| } | ||
| public interface IPersistantCache | ||
| { | ||
| Task SaveToCache(); | ||
| Task LoadFromCache(); | ||
| } | ||
|
|
||
| public class WorkItemRepository : IWorkItemRepository | ||
| { | ||
| public string OrganisationName { get; private set; } | ||
| public string ProjectName { get; private set; } | ||
| private string AccesToken { get; set; } | ||
| public int ParentId { get; private set; } | ||
|
|
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| private AzureDevOpsApi _context; | ||
| private string cacheWorkItemsFile; | ||
| public CashedWorkItems Data { get { return cachedWorkItems; } } | ||
|
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| CashedWorkItems cachedWorkItems = null; | ||
|
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| public WorkItemRepository(string cachePath, string organisationName, string projectName, string accessToken, int parentId) | ||
| { | ||
| if (string.IsNullOrEmpty(organisationName)) | ||
| { | ||
| throw new ArgumentNullException(nameof(organisationName)); | ||
| } | ||
| this.OrganisationName = organisationName; | ||
| if (string.IsNullOrEmpty(projectName)) | ||
| { | ||
| throw new ArgumentNullException(nameof(projectName)); | ||
| } | ||
| this.ProjectName = projectName; | ||
| if (string.IsNullOrEmpty(accessToken)) | ||
| { | ||
| throw new ArgumentNullException(nameof(accessToken)); | ||
| } | ||
| this.AccesToken = accessToken; | ||
| if (parentId == 0) | ||
| { | ||
| throw new ArgumentNullException(nameof(parentId)); | ||
| } | ||
| this.ParentId = parentId; | ||
| _context = new AzureDevOpsApi(accessToken, organisationName, projectName); | ||
| cacheWorkItemsFile = $"{cachePath}\\cache-{organisationName}-{projectName}-{ParentId}.json"; | ||
| } | ||
|
|
||
|
|
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| public async IAsyncEnumerable<(int total, int processed, string loadingFrom)> GetWorkItemsFullAsync() | ||
| { | ||
| if (System.IO.File.Exists(cacheWorkItemsFile)) | ||
| { | ||
| // load Cache | ||
| try | ||
| { | ||
| cachedWorkItems = JsonConvert.DeserializeObject<CashedWorkItems>(System.IO.File.ReadAllText(cacheWorkItemsFile)); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| // failed to load:: do nothing we will refresh the cache. | ||
| } | ||
| if (cachedWorkItems != null) | ||
| { | ||
| //Test Cache date | ||
| QueryResults? changedWorkItems = await _context.GetWiqlQueryResults("Select [System.Id] From WorkItems Where [System.TeamProject] = '@project' AND [System.Parent] = @id AND [System.ChangedDate] > '@changeddate' order by [System.CreatedDate] desc", new Dictionary<string, string>() { { "@id", ParentId.ToString() }, { "@changeddate", cachedWorkItems.queryDatetime.AddDays(-1).ToString("yyyy-MM-dd") } }); | ||
| if (changedWorkItems?.workItems.Length == 0) | ||
| { | ||
| yield return (cachedWorkItems.workitems.Count(), cachedWorkItems.workitems.Count(), "cache"); | ||
| } | ||
| else | ||
| { | ||
| cachedWorkItems = null; | ||
| } | ||
| } | ||
| } | ||
| if (cachedWorkItems == null) | ||
| { | ||
|
|
||
| QueryResults? templateWorkItemLight; | ||
| templateWorkItemLight = await _context.GetWiqlQueryResults("Select [System.Id] From WorkItems Where [System.TeamProject] = '@project' AND [System.Parent] = @id order by [System.CreatedDate] desc", new Dictionary<string, string>() { { "@id", ParentId.ToString() } }); | ||
| cachedWorkItems = new CashedWorkItems() { queryDatetime = templateWorkItemLight.asOf, workitems = new List<WorkItemFull>() }; | ||
| int count = 1; | ||
| foreach (var item in templateWorkItemLight?.workItems) | ||
| { | ||
| WorkItemFull result = await _context.GetWorkItem((int)item.id); | ||
| if (result != null) | ||
| { | ||
| cachedWorkItems.workitems.Add(result); | ||
| } | ||
| yield return (templateWorkItemLight.workItems.Count(), count, "server"); | ||
| count++; | ||
| } | ||
| System.IO.File.WriteAllText(cacheWorkItemsFile, JsonConvert.SerializeObject(cachedWorkItems, Formatting.Indented)); | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } | ||
| } |