public List <Section> Read(Stream stream)
{
var result = new List <Section>();
var isSection = false;
SectionValue value = null;
List <Section> Handler(string line)
{
if (line == null)
{
return(result);
}
value = ParseLine(line, out isSection);
if (isSection)
{
result.Add(new Section(value.Key));
}
else if (value != null && result.Count > 0)
{
result.Last().Values.Add(value);
}
return(null);
}
return(Reader(stream, Handler));
}
public SectionValue Read(Stream stream, string section, string key)
{
SectionValue result = null;
var isSection = false;
var isNeededSection = false;
SectionValue value = null;
SectionValue Handler(string line)
{
if (line == null)
{
return(result);
}
value = ParseLine(line, out isSection);
if (isSection)
{
if (isNeededSection)
{
return(null);
}
else if (value.Key == section)
{
isNeededSection = true;
}
}
else if (isNeededSection &&
value != null &&
value.Key == key)
{
return(value);
}
return(null);
}
return(Reader(stream, Handler));
}
public Section Read(Stream stream, string section)
{
Section result = null;
var isSection = false;
SectionValue value = null;
Section Handler(string line)
{
if (line == null)
{
return(result);
}
value = ParseLine(line, out isSection);
if (isSection)
{
if (result != null)
{
return(result);
}
else if (value.Key == section)
{
result = new Section(value.Key);
}
}
else if (result != null && value != null)
{
result.Values.Add(value);
}
return(null);
}
return(Reader(stream, Handler));
}
async Task <NotesObj> FromDb(Guid id)
{
var ne = await this._conReader.Notes
.Qa()
.Where(n => n.Id == id)
.FirstOrDefaultAsync();
//var ne = await this._reader.Qa<NotesEntity>(n => n.Id == id)
// .FirstOrDefaultAsync();
if (ne == null)
{
throw new NotesNotFoundException($"笔记不存在{id}");
}
var notes = new NotesObj
{
Notes = ne
};
//查询分区
var se = await this._conReader.NotesSections
.Qa()
.Where(s => s.NotesId == id)
.OrderBy(o => o.CreationTime)
.ToListAsync();
//var se = await this._reader.Qa<NotesSectionEntity>(s => s.NotesId == id)
// .OrderBy(o => o.CreationTime)
// .ToListAsync();
if (se == null || se.Count == 0)
{
return(notes);
}
// 查询页
var pe = await this._conReader.NotesPage
.Qa()
.Where(p => p.NotesId == id)
.OrderBy(o => o.CreationTime)
.ToListAsync();
//var pe = await this._reader.Qa<NotesPageEntity>(p => p.NotesId == id)
// .OrderBy(o => o.CreationTime)
// .ToListAsync();
IDictionary <Guid, IList <NotesPageEntity> > dict = null;
if (pe != null && pe.Count > 0)
{
dict = new Dictionary <Guid, IList <NotesPageEntity> >();
foreach (var item in pe)
{
if (!dict.TryGetValue(item.SectionId, out IList <NotesPageEntity> value))
{
dict[item.SectionId] = new List <NotesPageEntity>();
}
dict[item.SectionId].Add(item);
}
//return notes;
}
foreach (var item in se)
{
var sv = new SectionValue(item);
if (dict != null && dict.TryGetValue(item.Id, out IList <NotesPageEntity> value))
{
foreach (var page in value)
{
var po = new PageValue(page);
sv.AddPages(po);
}
}
notes.AddSection(sv);
}
return(notes);
}