543 lines
24 KiB
C#
543 lines
24 KiB
C#
using System.Threading.Tasks;
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using System.Linq;
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using System.IO;
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using System.Collections.Generic;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using AyaNova.Util;
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using AyaNova.Api.ControllerHelpers;
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using AyaNova.Models;
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using EnumsNET;
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using PuppeteerSharp;
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using Newtonsoft.Json.Linq;
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using System.Threading;
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namespace AyaNova.Biz
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{
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internal class ReportBiz : BizObject, ISearchAbleObject
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{
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internal ReportBiz(AyContext dbcontext, long currentUserId, long userTranslationId, AuthorizationRoles UserRoles)
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{
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ct = dbcontext;
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UserId = currentUserId;
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UserTranslationId = userTranslationId;
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CurrentUserRoles = UserRoles;
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BizType = AyaType.Report;
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}
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internal static ReportBiz GetBiz(AyContext ct, Microsoft.AspNetCore.Http.HttpContext httpContext = null)
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{
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if (httpContext != null)
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return new ReportBiz(ct, UserIdFromContext.Id(httpContext.Items), UserTranslationIdFromContext.Id(httpContext.Items), UserRolesFromContext.Roles(httpContext.Items));
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else
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return new ReportBiz(ct, 1, ServerBootConfig.AYANOVA_DEFAULT_TRANSLATION_ID, AuthorizationRoles.BizAdminFull);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//EXISTS
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internal async Task<bool> ExistsAsync(long id)
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{
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return await ct.Report.AnyAsync(z => z.Id == id);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//CREATE
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//
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internal async Task<Report> CreateAsync(Report newObject)
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{
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await ValidateAsync(newObject, null);
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if (HasErrors)
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return null;
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else
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{
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await ct.Report.AddAsync(newObject);
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await ct.SaveChangesAsync();
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, newObject.Id, BizType, AyaEvent.Created), ct);
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await SearchIndexAsync(newObject, true);
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return newObject;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//DUPLICATE
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//
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internal async Task<Report> DuplicateAsync(long id)
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{
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Report dbObject = await GetAsync(id, false);
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if (dbObject == null)
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{
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AddError(ApiErrorCode.NOT_FOUND, "id");
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return null;
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}
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Report newObject = new Report();
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CopyObject.Copy(dbObject, newObject);
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string newUniqueName = string.Empty;
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bool NotUnique = true;
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long l = 1;
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do
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{
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newUniqueName = Util.StringUtil.UniqueNameBuilder(dbObject.Name, l++, 255);
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NotUnique = await ct.Report.AnyAsync(z => z.Name == newUniqueName);
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} while (NotUnique);
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newObject.Name = newUniqueName;
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newObject.Id = 0;
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newObject.Concurrency = 0;
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await ct.Report.AddAsync(newObject);
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await ct.SaveChangesAsync();
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, newObject.Id, BizType, AyaEvent.Created), ct);
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await SearchIndexAsync(newObject, true);
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return newObject;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//IMPORT
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//
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internal async Task<bool> ImportAsync(JObject o)
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{
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Report newObject = new Report();
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var proposedName = (string)o["Name"];
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string newUniqueName = proposedName;
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bool NotUnique = true;
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long l = 1;
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do
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{
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NotUnique = await ct.Report.AnyAsync(z => z.Name == newUniqueName);
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if (NotUnique)
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newUniqueName = Util.StringUtil.UniqueNameBuilder(proposedName, l++, 255);
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} while (NotUnique);
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newObject.Name = newUniqueName;
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newObject.Active = (bool)o["Active"];
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newObject.JsHelpers = (string)o["JsHelpers"];
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newObject.JsPrerender = (string)o["JsPrerender"];
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newObject.Notes = (string)o["Notes"];
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newObject.ObjectType = (AyaType)(int)o["ObjectType"];
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newObject.RenderType = (ReportRenderType)(int)o["RenderType"];
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newObject.Roles = (AuthorizationRoles)(int)o["Roles"];
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newObject.Style = (string)o["Style"];
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newObject.Template = (string)o["Template"];
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await ValidateAsync(newObject, null);
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if (HasErrors) return false;
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await ct.Report.AddAsync(newObject);
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await ct.SaveChangesAsync();
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, newObject.Id, BizType, AyaEvent.Created), ct);
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//GET
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//
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internal async Task<Report> GetAsync(long id, bool logTheGetEvent = true)
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{
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var ret = await ct.Report.SingleOrDefaultAsync(z => z.Id == id);
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if (logTheGetEvent && ret != null)
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, id, BizType, AyaEvent.Retrieved), ct);
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return ret;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//UPDATE
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//
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internal async Task<Report> PutAsync(Report putObject)
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{
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Report dbObject = await ct.Report.SingleOrDefaultAsync(z => z.Id == putObject.Id);
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if (dbObject == null)
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{
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AddError(ApiErrorCode.NOT_FOUND, "id");
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return null;
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}
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Report SnapshotOfOriginalDBObj = new Report();
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CopyObject.Copy(dbObject, SnapshotOfOriginalDBObj);
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CopyObject.Copy(putObject, dbObject, "Id");
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ct.Entry(dbObject).OriginalValues["Concurrency"] = putObject.Concurrency;
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await ValidateAsync(dbObject, SnapshotOfOriginalDBObj);
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if (HasErrors) return null;
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try
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{
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await ct.SaveChangesAsync();
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}
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catch (DbUpdateConcurrencyException)
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{
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if (!await ExistsAsync(putObject.Id))
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AddError(ApiErrorCode.NOT_FOUND);
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else
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AddError(ApiErrorCode.CONCURRENCY_CONFLICT);
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return null;
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}
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, dbObject.Id, BizType, AyaEvent.Modified), ct);
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await SearchIndexAsync(dbObject, false);
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return dbObject;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//DELETE
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//
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internal async Task<bool> DeleteAsync(long id)
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{
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using (var transaction = await ct.Database.BeginTransactionAsync())
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{
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try
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{
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Report dbObject = await ct.Report.SingleOrDefaultAsync(z => z.Id == id);
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ValidateCanDelete(dbObject);
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if (HasErrors)
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return false;
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if (HasErrors)
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return false;
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ct.Report.Remove(dbObject);
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await ct.SaveChangesAsync();
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await EventLogProcessor.DeleteObjectLogAsync(UserId, BizType, dbObject.Id, dbObject.Name, ct);
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await Search.ProcessDeletedObjectKeywordsAsync(dbObject.Id, BizType, ct);
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await FileUtil.DeleteAttachmentsForObjectAsync(BizType, dbObject.Id, ct);
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await transaction.CommitAsync();
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}
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catch
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{
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//Just re-throw for now, let exception handler deal, but in future may want to deal with this more here
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throw;
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}
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return true;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//GET LIST
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//
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internal async Task<List<NameIdItem>> GetReportListAsync(AyaType ayType)
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{
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var rpts = await ct.Report.AsNoTracking().Where(z => z.ObjectType == ayType && z.Active == true).Select(z => new { id = z.Id, name = z.Name, roles = z.Roles }).ToListAsync();
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var ret = new List<NameIdItem>();
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foreach (var item in rpts)
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{
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if (CurrentUserRoles.HasAnyFlags(item.roles))
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{
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ret.Add(new NameIdItem() { Name = item.name, Id = item.id });
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}
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}
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//Sort by name
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return ret.OrderBy(z => z.Name).ToList();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//SEARCH
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//
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private async Task SearchIndexAsync(Report obj, bool isNew)
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{
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var SearchParams = new Search.SearchIndexProcessObjectParameters(UserTranslationId, obj.Id, BizType);
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SearchParams.AddText(obj.Notes).AddText(obj.Name);
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if (isNew)
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await Search.ProcessNewObjectKeywordsAsync(SearchParams);
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else
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await Search.ProcessUpdatedObjectKeywordsAsync(SearchParams);
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}
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public async Task<Search.SearchIndexProcessObjectParameters> GetSearchResultSummary(long id)
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{
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var obj = await ct.Report.SingleOrDefaultAsync(z => z.Id == id);
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var SearchParams = new Search.SearchIndexProcessObjectParameters();
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if (obj != null)
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SearchParams.AddText(obj.Notes).AddText(obj.Name);
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return SearchParams;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//VALIDATION
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//
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private async Task ValidateAsync(Report proposedObj, Report currentObj)
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{
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bool isNew = currentObj == null;
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//Name required
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if (string.IsNullOrWhiteSpace(proposedObj.Name))
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AddError(ApiErrorCode.VALIDATION_REQUIRED, "Name");
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//Name must be less than 255 characters
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if (proposedObj.Name.Length > 255)
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AddError(ApiErrorCode.VALIDATION_LENGTH_EXCEEDED, "Name", "255 max");
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//If name is otherwise OK, check that name is unique
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if (!PropertyHasErrors("Name"))
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{
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//Use Any command is efficient way to check existance, it doesn't return the record, just a true or false
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if (await ct.Report.AnyAsync(z => z.Name == proposedObj.Name && z.Id != proposedObj.Id))
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{
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AddError(ApiErrorCode.VALIDATION_NOT_UNIQUE, "Name");
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}
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}
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}
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private async void ValidateCanDelete(Report inObj)
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{
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//TODO: this is shitty, needs to mention notifications to be maximally useful
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if (await ct.NotifySubscription.AnyAsync(z => z.LinkReportId == inObj.Id) == true)
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{
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AddError(ApiErrorCode.INVALID_OPERATION, null, "LT:ErrorDBForeignKeyViolation");
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return;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//REPORT DATA
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//Data fetched to return to report designer for Client report design usage
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public async Task<Newtonsoft.Json.Linq.JArray> GetReportData(ReportDataParameter reportDataParam, AuthorizationRoles overrideRoles = AuthorizationRoles.NoRole)
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{
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var log = AyaNova.Util.ApplicationLogging.CreateLogger("ReportBiz::GetReportData");
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AuthorizationRoles effectiveRoles = CurrentUserRoles;
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if (overrideRoles != AuthorizationRoles.NoRole)
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effectiveRoles = overrideRoles;
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if (!AyaNova.Api.ControllerHelpers.Authorized.HasReadFullRole(effectiveRoles, reportDataParam.ObjectType))
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{
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AddError(ApiErrorCode.NOT_AUTHORIZED, null, $"User not authorized for {reportDataParam.ObjectType} type object");
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return null;
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}
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//Do we need to rehydrate the ID List from a DataList?
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if (reportDataParam.SelectedRowIds.Length == 0)
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reportDataParam.SelectedRowIds = await AyaNova.DataList.DataListFetcher.GetIdListResponseAsync(reportDataParam.DataListKey, reportDataParam.ListView, ct, effectiveRoles, log);
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log.LogDebug($"Instantiating biz object handler for {reportDataParam.ObjectType}");
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var biz = BizObjectFactory.GetBizObject(reportDataParam.ObjectType, ct);
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log.LogDebug($"Fetching data for {reportDataParam.SelectedRowIds.Length} {reportDataParam.ObjectType} items");
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return await ((IReportAbleObject)biz).GetReportData(reportDataParam.SelectedRowIds);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//RENDER
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//
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public async Task<string> RenderReport(RenderReportParameter reportParam, string apiUrl, AuthorizationRoles overrideRoles = AuthorizationRoles.NoRole)
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{
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var log = AyaNova.Util.ApplicationLogging.CreateLogger("ReportBiz::RenderReport");
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//get report, vet security, see what we need before init in case of issue
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var report = await ct.Report.FirstOrDefaultAsync(z => z.Id == reportParam.ReportId);
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if (report == null)
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{
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AddError(ApiErrorCode.NOT_FOUND, "id");
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return null;
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}
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AuthorizationRoles effectiveRoles = CurrentUserRoles;
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if (overrideRoles != AuthorizationRoles.NoRole)
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effectiveRoles = overrideRoles;
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if (!AyaNova.Api.ControllerHelpers.Authorized.HasReadFullRole(effectiveRoles, report.ObjectType))
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{
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AddError(ApiErrorCode.NOT_AUTHORIZED, null, $"User not authorized for {report.ObjectType} type object");
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return null;
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}
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//Client meta data is required
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if (reportParam.ClientMeta == null)
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{
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AddError(ApiErrorCode.VALIDATION_MISSING_PROPERTY, null, "ClientMeta parameter is missing and required to render report");
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return null;
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}
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//Get data
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var ReportData = await GetReportData(new ReportDataParameter() { ObjectType = report.ObjectType, SelectedRowIds = reportParam.SelectedRowIds, DataListKey = reportParam.DataListKey, ListView = reportParam.ListView });
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//initialization
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log.LogDebug("Initializing report system");
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var ReportJSFolderPath = Path.Combine(ServerBootConfig.AYANOVA_CONTENT_ROOT_PATH, "resource", "rpt");
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var lo = new LaunchOptions { Headless = true };
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bool isWindows = System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows);
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if (!isWindows)
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{
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log.LogDebug($"Not Windows: setting executable path for chrome to expected '/usr/bin/chromium-browser'");
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lo.ExecutablePath = "/usr/bin/chromium-browser";//this is the default path for docker based alpine dist, but maybe not others, need to make a config setting likely
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lo.Args = new string[] { "--no-sandbox" };
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}
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else
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{
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log.LogDebug($"Windows: Calling browserFetcher download async now:");
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await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
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}
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//https://stackoverflow.com/questions/53367966/puppeteer-sharp-still-appear-many-chromium-instance-in-process-task-manager-when
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log.LogDebug($"Launching headless Chrome now:");
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using (var browser = await Puppeteer.LaunchAsync(lo))
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using (var page = await browser.NewPageAsync())
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{
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try
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{
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log.LogDebug($"Preparing page: adding base reporting scripts to page");
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//Add Handlebars JS for compiling and presenting
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//https://handlebarsjs.com/
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await page.AddScriptTagAsync(new AddTagOptions() { Path = Path.Combine(ReportJSFolderPath, "ay-hb.js") });
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//add Marked for markdown processing
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//https://github.com/markedjs/marked
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await page.AddScriptTagAsync(new AddTagOptions() { Path = Path.Combine(ReportJSFolderPath, "ay-md.js") });
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//add DOM Purify for markdown template sanitization processing
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//https://github.com/cure53/DOMPurify
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await page.AddScriptTagAsync(new AddTagOptions() { Path = Path.Combine(ReportJSFolderPath, "ay-pf.js") });
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//add Bar code library if our bar code helper is referenced
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//https://github.com/metafloor/bwip-js
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if (report.Template.Contains("ayBC ") || report.JsHelpers.Contains("ayBC "))
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await page.AddScriptTagAsync(new AddTagOptions() { Path = Path.Combine(ReportJSFolderPath, "ay-bc.js") });
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//add stock helpers
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await page.AddScriptTagAsync(new AddTagOptions() { Path = Path.Combine(ReportJSFolderPath, "ay-report.js") });
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//execute to add to handlebars
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await page.EvaluateExpressionAsync("ayRegisterHelpers();");
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log.LogDebug($"Preparing page: adding this report's scripts, style and templates to page");
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//add report pre-render, helpers and style
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if (string.IsNullOrWhiteSpace(report.JsPrerender))
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{
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report.JsPrerender = "async function ayPrepareData(reportData){return reportData;}";
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}
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await page.AddScriptTagAsync(new AddTagOptions() { Content = report.JsPrerender });
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if (!string.IsNullOrWhiteSpace(report.JsHelpers))
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await page.AddScriptTagAsync(new AddTagOptions() { Content = report.JsHelpers });
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if (!string.IsNullOrWhiteSpace(report.Style))
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await page.AddStyleTagAsync(new AddTagOptions() { Content = report.Style });
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log.LogDebug($"Preparing page: adding Client meta data");
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//Client meta data to JSON string
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var clientMeta = reportParam.ClientMeta.ToString();
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log.LogDebug($"Preparing page: adding Server meta data");
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//Server meta data
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var logo = await ct.Logo.AsNoTracking().SingleOrDefaultAsync();
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var HasSmallLogo = "false";
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var HasMediumLogo = "false";
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var HasLargeLogo = "false";
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if (logo != null)
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{
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if (logo.Small != null) HasSmallLogo = "true";
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if (logo.Medium != null) HasMediumLogo = "true";
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if (logo.Large != null) HasLargeLogo = "true";
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}
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var serverMeta = $"{{ayApiUrl:`{apiUrl}`, HasSmallLogo:{HasSmallLogo}, HasMediumLogo:{HasMediumLogo}, HasLargeLogo:{HasLargeLogo},}}";
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log.LogDebug($"Preparing page: adding Report meta data");
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//Custom fields definition for report usage
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string CustomFieldsTemplate = "null";
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var FormCustomization = await ct.FormCustom.AsNoTracking().SingleOrDefaultAsync(z => z.FormKey == report.ObjectType.ToString());
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if (FormCustomization != null)
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{
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CustomFieldsTemplate = FormCustomization.Template;
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}
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//Report meta data
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var reportMeta = $"{{Id:{report.Id},Name:`{report.Name}`,Notes:`{report.Notes}`,ObjectType:`{report.ObjectType}`,CustomFieldsDefinition:{CustomFieldsTemplate},DataListKey:`{reportParam.DataListKey}`,ListView:`{reportParam.ListView}`,SelectedRowIds: `{string.Join(",", reportParam.SelectedRowIds)}`}}";
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//duplicate meta data in report page wide variable for use by our internal functions
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await page.AddScriptTagAsync(new AddTagOptions() { Content = $"var AYMETA={{ ayReportMetaData:{reportMeta}, ayClientMetaData:{clientMeta}, ayServerMetaData:{serverMeta} }}" });
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#if (DEBUG)
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//view page contents
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var pagecontent = await page.GetContentAsync();
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#endif
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//prePareData / preRender
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var ReportDataObject = $"{{ ayReportData:{ReportData}, ayReportMetaData:{reportMeta}, ayClientMetaData:{clientMeta}, ayServerMetaData:{serverMeta} }}";
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log.LogDebug($"Calling ayPreRender...");
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//PRE-RENDER ORIGINAL WAY
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// var PreParedReportDataObject = await page.EvaluateExpressionAsync<dynamic>($"ayPreRender({ReportDataObject});");//note ayPreRender is async but dont' use await to call it as the EvaluateExpressionAsync function knows how to handle that already
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//PRE_RENDER WITH TIMEOUT
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var w = new WaitForFunctionOptions() { Timeout = 10000 };
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//var test = await page.WaitForExpressionAsync($"aytest()==true", w);
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// var PreParedReportDataObject = await page.WaitForExpressionAsync($"ayPreRender({ReportDataObject})!=null", w);
|
|
|
|
//new style, nothing to return, keeps data on page
|
|
await page.WaitForExpressionAsync($"ayPreRenderEx({ReportDataObject})", w);
|
|
|
|
//compile the template
|
|
log.LogDebug($"Calling Handlebars.compile...");
|
|
var compileScript = $"Handlebars.compile(`{report.Template}`)(PreParedReportDataObject);";
|
|
var compiledHTML = await page.EvaluateExpressionAsync<string>(compileScript);
|
|
|
|
//render report as HTML
|
|
log.LogDebug($"Setting page content to compiled HTML");
|
|
await page.SetContentAsync(compiledHTML);
|
|
|
|
//add style (after page or it won't work)
|
|
if (!string.IsNullOrWhiteSpace(report.Style))
|
|
{
|
|
log.LogDebug($"Adding report template Style CSS");
|
|
await page.AddStyleTagAsync(new AddTagOptions { Content = report.Style });
|
|
}
|
|
|
|
string outputFileName = StringUtil.ReplaceLastOccurrence(FileUtil.NewRandomFileName, ".", "") + ".pdf";
|
|
string outputFullPath = System.IO.Path.Combine(FileUtil.TemporaryFilesFolder, outputFileName);
|
|
|
|
//render to pdf and return
|
|
log.LogDebug($"Calling render page contents to PDF");
|
|
await page.PdfAsync(outputFullPath);
|
|
log.LogDebug($"Completed, returning results");
|
|
return outputFileName;
|
|
}
|
|
catch (System.Exception ex)
|
|
{
|
|
|
|
//This is the error when a helper is used on the template but doesn't exist:
|
|
//Evaluation failed: d
|
|
//(it might also mean other things wrong with template)
|
|
|
|
// var v=await page.GetContentAsync();
|
|
throw ex;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//JOB / OPERATIONS
|
|
//
|
|
|
|
|
|
//Other job handlers here...
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
|
|
}//eoc
|
|
|
|
|
|
}//eons
|
|
|