public IEnumerable <VocabEntity> GetVocabByReadings(string kanjiReading, string kanaReading)
{
DaoConnection connection = null;
try
{
//connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
connection = _connection;
VocabBuilder builder = new VocabBuilder();
if (kanjiReading == kanaReading)
{
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@kanaWriting",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanaWriting),
new DaoParameter("@kanaWriting", kanaReading));
if (vocabs.Count() == 1)
{
var result = builder.BuildEntity(vocabs.First(), null);
IncludeMeanings(connection, result);
yield return(result);
yield break;
}
}
IEnumerable <NameValueCollection> fullMatch = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@kanaWriting AND {2}=@kanjiWriting",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanaWriting,
SqlHelper.Field_Vocab_KanjiWriting),
new DaoParameter("@kanaWriting", kanaReading), new DaoParameter("@kanjiWriting", kanjiReading));
foreach (NameValueCollection match in fullMatch)
{
var result = builder.BuildEntity(match, null);
IncludeMeanings(connection, result);
yield return(result);
}
}
finally
{
//if (connection != null)
//{
// connection.Dispose();
//}
}
}
/// <summary>
/// Gets the first vocab that exactly matches the given reading.
/// </summary>
/// <param name="reading">Reading to match.</param>
/// <returns>First matching vocab, or null if not found.</returns>
public IEnumerable <VocabEntity> GetMatchingVocab(string reading)
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT v.* FROM {0} v WHERE v.{1}=@v ORDER BY v.{2} DESC",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanjiWriting,
SqlHelper.Field_Vocab_IsCommon),
new DaoParameter("@v", reading));
if (vocabs.Any())
{
VocabBuilder builder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in vocabs)
{
VocabEntity result = builder.BuildEntity(nvcVocab, null);
IncludeMeanings(connection, result);
yield return(result);
}
}
else
{
vocabs = connection.Query(
string.Format("SELECT v.* FROM {0} v WHERE v.{1}=@v ORDER BY v.{2} DESC",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanaWriting,
SqlHelper.Field_Vocab_IsCommon),
new DaoParameter("@v", reading));
VocabBuilder builder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in vocabs)
{
VocabEntity result = builder.BuildEntity(nvcVocab, null);
IncludeMeanings(connection, result);
yield return(result);
}
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Gets all reviews due for the current date.
/// </summary>
/// <returns>Reviews due for the current date.</returns>
public IEnumerable <SrsEntry> GetReviews()
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.SrsDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
"SELECT * FROM " + SqlHelper.Table_SrsEntry + " se WHERE se."
+ SqlHelper.Field_SrsEntry_SuspensionDate + " IS NULL AND se."
+ SqlHelper.Field_SrsEntry_NextAnswerDate + " <= @date"
+ " ORDER BY RANDOM()",
new DaoParameter("@date", DateTime.UtcNow.Ticks));
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in results)
{
yield return(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves the category with the given label.
/// </summary>
/// <param name="label">Label of the category to retrieve.</param>
/// <returns>Matching category if any. Null otherwise.</returns>
public VocabCategory GetCategoryByLabel(string label)
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@label",
SqlHelper.Table_VocabCategory,
SqlHelper.Field_VocabCategory_Label),
new DaoParameter("@label", label));
VocabCategoryBuilder categoryBuilder = new VocabCategoryBuilder();
if (results.Any())
{
return(categoryBuilder.BuildEntity(results.First(), null));
}
return(null);
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Gets all kanji with minimal info.
/// </summary>
/// <returns>All kanji with minimal info.</returns>
public IEnumerable <KanjiEntity> GetAllKanji()
{
DaoConnection connection = null;
try
{
// Create and open synchronously the primary Kanji connection.
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT * FROM {0}", SqlHelper.Table_Kanji));
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanji in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanji, null);
yield return(kanji);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves all radicals.
/// </summary>
public IEnumerable <RadicalEntity> GetAllRadicals()
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT * FROM {0}", SqlHelper.Table_Radical));
RadicalBuilder radicalBuilder = new RadicalBuilder();
foreach (NameValueCollection nvcRadical in results)
{
RadicalEntity radical = radicalBuilder.BuildEntity(nvcRadical, null);
IncludeKanji(connection, radical);
yield return(radical);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves and returns the collection of vocab matching the
/// given filters.
/// </summary>
/// <param name="kanji">Kanji filter. Only vocab containing this
/// kanji will be filtered in.</param>
/// <param name="readingFilter">Reading filter. Only vocab containing
/// this string in their kana or kanji reading will be filtered in.</param>
/// <param name="meaningFilter">Meaning filter. Only vocab containing
/// this string as part of at least one of their meaning entries will
/// be filtered in.</param>
/// <param name="categoryFilter">If not null, this category is used as the filter.</param>
/// <param name="jlptLevel">The JLPT level to filter
/// (1-5, where a lower value means it is not covered on the JLPT
/// and a higher value means that this filter will be ignored).</param>
/// <param name="wkLevel">The WaniKani level to filter
/// (1-60, where a higher value means it is not taught by WaniKani
/// and a lower value means that this filter will be ignored).</param>
/// <param name="isCommonFirst">Indicates if common vocab should be
/// presented first. If false, results are sorted only by the length
/// of their writing (asc or desc depending on the parameter)</param>
/// <param name="isShortWritingFirst">Indicates if results should
/// be sorted by ascending or descending writing length.
/// If True, short readings come first. If False, long readings
/// come first.</param>
/// <returns>Vocab entities matching the filters.</returns>
public IEnumerable <VocabEntity> GetFilteredVocab(KanjiEntity kanji,
string readingFilter, string meaningFilter, VocabCategory categoryFilter,
int jlptLevel, int wkLevel,
bool isCommonFirst, bool isShortWritingFirst)
{
List <DaoParameter> parameters = new List <DaoParameter>();
string sqlFilterClauses = BuildVocabFilterClauses(parameters, kanji,
readingFilter, meaningFilter, categoryFilter, jlptLevel, wkLevel);
string sortClause = "ORDER BY ";
if (isCommonFirst)
{
sortClause += string.Format("v.{0} DESC,", SqlHelper.Field_Vocab_IsCommon);
}
sortClause += string.Format("length(v.{0}) {1}",
SqlHelper.Field_Vocab_KanaWriting,
(isShortWritingFirst ? "ASC" : "DESC"));
DaoConnection connection = null;
DaoConnection srsConnection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
srsConnection = new DaoConnection(DaoConnectionEnum.SrsDatabase);
srsConnection.OpenAsync();
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT DISTINCT v.* FROM {0} v {1}{2}",
SqlHelper.Table_Vocab,
sqlFilterClauses,
sortClause),
parameters.ToArray());
VocabBuilder vocabBuilder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in vocabs)
{
VocabEntity vocab = vocabBuilder.BuildEntity(nvcVocab, null);
IncludeCategories(connection, vocab);
IncludeMeanings(connection, vocab);
IncludeKanji(connection, srsConnection, vocab);
IncludeSrsEntries(srsConnection, vocab);
IncludeVariants(connection, vocab);
yield return(vocab);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Gets a set of kanji matching the given filters.
/// </summary>
/// <param name="radicals">Filters out kanji which do not contain all
/// of the contained radicals.</param>
/// <param name="textFilter">If set, filters out all kanji that are not
/// contained in the string.</param>
/// <param name="meaningFilter">Filter for the meaning of the kanji.</param>
/// <param name="anyReadingFilter">Filter matching any reading of the kanji.
/// <remarks>If set, this parameter will override the three reading filters.
/// </remarks></param>
/// <param name="onYomiFilter">Filter for the on'yomi reading of the kanji.
/// <remarks>This parameter will be ignored if
/// <paramref name="anyReadingFilter"/> is set.</remarks></param>
/// <param name="kunYomiFilter">Filter for the kun'yomi reading of the kanji.
/// <remarks>This parameter will be ignored if
/// <paramref name="anyReadingFilter"/> is set.</remarks></param>
/// <param name="nanoriFilter">Filter for the nanori reading of the kanji.
/// <remarks>This parameter will be ignored if
/// <paramref name="anyReadingFilter"/> is set.</remarks></param>
/// <returns>Kanji matching the given filters.</returns>
public IEnumerable <KanjiEntity> GetFilteredKanji(RadicalGroup[] radicals, string textFilter,
string meaningFilter, string anyReadingFilter, string onYomiFilter, string kunYomiFilter,
string nanoriFilter, int jlptLevel, int wkLevel)
{
List <DaoParameter> parameters = new List <DaoParameter>();
string sqlFilter = BuildKanjiFilterClauses(parameters, radicals, textFilter,
meaningFilter, anyReadingFilter, onYomiFilter, kunYomiFilter, nanoriFilter,
jlptLevel, wkLevel);
DaoConnection connection = null;
DaoConnection srsConnection = null;
try
{
// Create and open synchronously the primary Kanji connection.
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
// Create the secondary Srs connection and open it asynchronously.
srsConnection = new DaoConnection(DaoConnectionEnum.SrsDatabase);
srsConnection.OpenAsync();
// FILTERS COMPUTED.
// Execute the final request.
IEnumerable <NameValueCollection> results = connection.Query(string.Format(
"SELECT * FROM {0} k {1}ORDER BY (k.{2} IS NULL),(k.{2});",
SqlHelper.Table_Kanji,
sqlFilter,
SqlHelper.Field_Kanji_MostUsedRank),
parameters.ToArray());
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanji in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanji, null);
IncludeKanjiMeanings(connection, kanji);
IncludeRadicals(connection, kanji);
IncludeSrsEntries(srsConnection, kanji);
yield return(kanji);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
if (srsConnection != null)
{
srsConnection.Dispose();
}
}
}
/// <summary>
/// Retrieves and includes the SRS entries matching the given kanji and includes
/// them in the entity.
/// </summary>
internal static void IncludeSrsEntries(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable <NameValueCollection> nvcEntries = connection.Query(
string.Format("SELECT * FROM {0} srs WHERE srs.{1}=@k",
SqlHelper.Table_SrsEntry,
SqlHelper.Field_SrsEntry_AssociatedKanji),
new DaoParameter("@k", kanji.Character));
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in nvcEntries)
{
kanji.SrsEntries.Add(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
/// <summary>
/// Includes the vocab variants in the entity.
/// </summary>
private void IncludeVariants(DaoConnection connection, VocabEntity vocab)
{
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@gid AND {2}!=@id",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_GroupId,
SqlHelper.Field_Vocab_Id),
new DaoParameter("@gid", vocab.GroupId),
new DaoParameter("@id", vocab.ID));
VocabBuilder builder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in results)
{
vocab.Variants.Add(builder.BuildEntity(nvcVocab, null));
}
}
public IEnumerable <NameValueCollection> CustomQuery(string query)
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
return(connection.Query(query).ToList());
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Gets a filtered set of SRS entries.
/// </summary>
/// <param name="filterClauses">Filter clauses.</param>
/// <returns>Filtered SRS entries.</returns>
public IEnumerable <SrsEntry> GetFilteredItems(FilterClause[] filterClauses)
{
List <DaoParameter> parameters = new List <DaoParameter>();
string whereClause = string.Empty;
bool isFiltered = false;
foreach (FilterClause clause in filterClauses)
{
if (clause != null)
{
string sqlClause = clause.GetSqlWhereClause(!isFiltered, parameters);
if (!string.IsNullOrEmpty(sqlClause))
{
whereClause += sqlClause + " ";
isFiltered = true;
}
}
}
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.SrsDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
"SELECT * FROM " + SqlHelper.Table_SrsEntry + " se "
+ whereClause
+ "ORDER BY (se." + SqlHelper.Field_SrsEntry_CreationDate + ") DESC",
parameters.ToArray());
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in results)
{
yield return(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves and includes the SRS entries matching the given vocab and includes
/// them in the entity.
/// </summary>
private void IncludeSrsEntries(DaoConnection connection, VocabEntity vocab)
{
string value = string.IsNullOrEmpty(vocab.KanjiWriting) ?
vocab.KanaWriting
: vocab.KanjiWriting;
IEnumerable <NameValueCollection> nvcEntries = connection.Query(
string.Format("SELECT * FROM {0} srs WHERE srs.{1}=@k",
SqlHelper.Table_SrsEntry,
SqlHelper.Field_SrsEntry_AssociatedVocab),
new DaoParameter("@k", value));
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in nvcEntries)
{
vocab.SrsEntries.Add(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
/// <summary>
/// Retrieves and includes kanji entities in the given radical entity.
/// </summary>
private void IncludeKanji(DaoConnection connection, RadicalEntity radical)
{
IEnumerable <NameValueCollection> results = connection.Query(
string.Format(
"SELECT kr.{0} {1} FROM {2} kr WHERE kr.{3}=@rid",
SqlHelper.Field_Kanji_Radical_KanjiId,
SqlHelper.Field_Kanji_Id,
SqlHelper.Table_Kanji_Radical,
SqlHelper.Field_Kanji_Radical_RadicalId),
new DaoParameter("@rid", radical.ID));
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanjiRadical in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanjiRadical, null);
radical.Kanji.Add(kanji);
}
}
/// <summary>
/// Includes the categories of the given meaning in the entity.
/// </summary>
private void IncludeMeaningCategories(DaoConnection connection, VocabMeaning meaning)
{
IEnumerable <NameValueCollection> categories = connection.Query(
string.Format("SELECT vc.* FROM {0} vmvc JOIN {1} vc ON (vmvc.{2}=vc.{3}) WHERE vmvc.{4}=@mid",
SqlHelper.Table_VocabMeaning_VocabCategory,
SqlHelper.Table_VocabCategory,
SqlHelper.Field_VocabMeaning_VocabCategory_VocabCategoryId,
SqlHelper.Field_VocabCategory_Id,
SqlHelper.Field_VocabMeaning_VocabCategory_VocabMeaningId),
new DaoParameter("@mid", meaning.ID));
VocabCategoryBuilder categoryBuilder = new VocabCategoryBuilder();
foreach (NameValueCollection nvcCategory in categories)
{
VocabCategory category = categoryBuilder.BuildEntity(nvcCategory, null);
meaning.Categories.Add(category);
}
}
public IEnumerable <NameValueCollection> CustomQuery(string query)
{
DaoConnection connection = null;
try
{
// Create and open synchronously the primary Kanji connection.
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
return(connection.Query(query).ToList());
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves and includes the meanings of the given kanji in the entity.
/// </summary>
internal static void IncludeKanjiMeanings(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable <NameValueCollection> nvcMeanings = connection.Query(
string.Format("SELECT * FROM {0} km WHERE km.{1}=@kanjiId AND km.{2} IS NULL;",
SqlHelper.Table_KanjiMeaning,
SqlHelper.Field_KanjiMeaning_KanjiId,
SqlHelper.Field_KanjiMeaning_Language),
new DaoParameter("@kanjiId", kanji.ID));
KanjiMeaningBuilder meaningBuilder = new KanjiMeaningBuilder();
foreach (NameValueCollection nvcMeaning in nvcMeanings)
{
// For each meaning result : build a meaning and set the associations.
KanjiMeaning meaning = meaningBuilder.BuildEntity(nvcMeaning, null);
meaning.Kanji = kanji;
kanji.Meanings.Add(meaning);
}
}
/// <summary>
/// Retrieves and includes the radicals of the given kanji in the entity.
/// </summary>
internal static void IncludeRadicals(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable <NameValueCollection> nvcRadicals = connection.Query(
string.Format("SELECT * FROM {0} r JOIN {1} kr ON (kr.{2}=r.{3}) WHERE kr.{4}=@kanjiId;",
SqlHelper.Table_Radical,
SqlHelper.Table_Kanji_Radical,
SqlHelper.Field_Kanji_Radical_RadicalId,
SqlHelper.Field_Radical_Id,
SqlHelper.Field_Kanji_Radical_KanjiId),
new DaoParameter("@kanjiId", kanji.ID));
RadicalBuilder radicalBuilder = new RadicalBuilder();
foreach (NameValueCollection nvcRadical in nvcRadicals)
{
// For each meaning result : build a radical and set the associations.
RadicalEntity radical = radicalBuilder.BuildEntity(nvcRadical, null);
kanji.Radicals.Add(radical);
}
}
/// <summary>
/// Includes the meanings of the given vocab in the entity.
/// </summary>
private void IncludeMeanings(DaoConnection connection, VocabEntity vocab)
{
IEnumerable <NameValueCollection> meanings = connection.Query(
string.Format("SELECT vm.* FROM {0} vvm JOIN {1} vm ON (vvm.{2}=vm.{3}) WHERE vvm.{4}=@vid",
SqlHelper.Table_Vocab_VocabMeaning,
SqlHelper.Table_VocabMeaning,
SqlHelper.Field_Vocab_VocabMeaning_VocabMeaningId,
SqlHelper.Field_VocabMeaning_Id,
SqlHelper.Field_Vocab_VocabMeaning_VocabId),
new DaoParameter("@vid", vocab.ID));
VocabMeaningBuilder meaningBuilder = new VocabMeaningBuilder();
foreach (NameValueCollection nvcMeaning in meanings)
{
VocabMeaning meaning = meaningBuilder.BuildEntity(nvcMeaning, null);
IncludeMeaningCategories(connection, meaning);
vocab.Meanings.Add(meaning);
}
}
/// <summary>
/// Computes and returns which radicals can still be used in a kanji filter in complement to the
/// given set of filters, and still return kanji results.
/// </summary>
public IEnumerable <RadicalEntity> GetAvailableRadicals(RadicalGroup[] radicals, string textFilter,
string meaningFilter, string anyReadingFilter, string onYomiFilter, string kunYomiFilter,
string nanoriFilter, int jlptLevel, int wkLevel)
{
// Compute the filters.
List <DaoParameter> parameters = new List <DaoParameter>();
string sqlFilter = KanjiDao.BuildKanjiFilterClauses(parameters, radicals, textFilter,
meaningFilter, anyReadingFilter, onYomiFilter, kunYomiFilter, nanoriFilter,
jlptLevel, wkLevel);
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
string.Format(
"SELECT DISTINCT ckr.{0} Id " + "FROM {1} k JOIN {2} ckr " + "ON (ckr.{3}=k.{4}) {5}",
SqlHelper.Field_Kanji_Radical_RadicalId,
SqlHelper.Table_Kanji,
SqlHelper.Table_Kanji_Radical,
SqlHelper.Field_Kanji_Radical_KanjiId,
SqlHelper.Field_Kanji_Id, sqlFilter),
parameters.ToArray());
RadicalBuilder radicalBuilder = new RadicalBuilder();
foreach (NameValueCollection nvcRadical in results)
{
RadicalEntity radical = radicalBuilder.BuildEntity(nvcRadical, null);
yield return(radical);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves and returns the complete VocabEntity matching the given ID.
/// </summary>
/// <param name="id">Id to search.</param>
/// <returns>The VocabEntity that matches the given ID, or null if not found.</returns>
public VocabEntity GetVocabById(long id)
{
VocabEntity result = null;
DaoConnection connection = null;
DaoConnection srsConnection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
srsConnection = new DaoConnection(DaoConnectionEnum.SrsDatabase);
srsConnection.OpenAsync();
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@id",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_Id),
new DaoParameter("@id", id));
if (vocabs.Any())
{
VocabBuilder builder = new VocabBuilder();
VocabEntity vocab = builder.BuildEntity(vocabs.First(), null);
IncludeCategories(connection, vocab);
IncludeMeanings(connection, vocab);
IncludeKanji(connection, srsConnection, vocab);
IncludeSrsEntries(srsConnection, vocab);
IncludeVariants(connection, vocab);
result = vocab;
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
return(result);
}
/// <summary>
/// Gets a similar item (same kanji reading and type) if found.
/// </summary>
/// <param name="entry">Reference entry.</param>
/// <returns>The first matching item if found. Null otherwise.</returns>
public SrsEntry GetSimilarItem(SrsEntry entry)
{
SrsEntry r = null;
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.SrsDatabase);
List <DaoParameter> parameters = new List <DaoParameter>();
string request = "SELECT * FROM " + SqlHelper.Table_SrsEntry + " se WHERE se.";
if (!string.IsNullOrEmpty(entry.AssociatedKanji))
{
request += SqlHelper.Field_SrsEntry_AssociatedKanji;
parameters.Add(new DaoParameter("@kr", entry.AssociatedKanji));
}
else
{
request += SqlHelper.Field_SrsEntry_AssociatedVocab;
parameters.Add(new DaoParameter("@kr", entry.AssociatedVocab));
}
request += "=@kr";
NameValueCollection result = connection.Query(request, parameters.ToArray()).FirstOrDefault();
if (result != null)
{
SrsEntryBuilder builder = new SrsEntryBuilder();
r = builder.BuildEntity(result, null);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
return(r);
}
public void SelectAllVocab()
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT * FROM {0}", SqlHelper.Table_Vocab));
foreach (NameValueCollection nvcVocab in vocabs)
{
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Includes the kanji of the given vocab in the entity.
/// </summary>
private void IncludeKanji(DaoConnection connection, DaoConnection srsConnection,
VocabEntity vocab)
{
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT k.* FROM {0} kv JOIN {1} k ON (k.{2}=kv.{3}) WHERE kv.{4}=@vid",
SqlHelper.Table_Kanji_Vocab,
SqlHelper.Table_Kanji,
SqlHelper.Field_Kanji_Id,
SqlHelper.Field_Kanji_Vocab_KanjiId,
SqlHelper.Field_Kanji_Vocab_VocabId),
new DaoParameter("@vid", vocab.ID));
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanji in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanji, null);
KanjiDao.IncludeKanjiMeanings(connection, kanji);
KanjiDao.IncludeRadicals(connection, kanji);
KanjiDao.IncludeSrsEntries(srsConnection, kanji);
vocab.Kanji.Add(kanji);
}
}
public VocabEntity GetSingleVocabByKanaReading(string kanaReading)
{
DaoConnection connection = null;
try
{
//connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
connection = _connection;
long count = (long)connection.QueryScalar(
string.Format("SELECT COUNT(1) FROM {0} WHERE {1}=@kanaWriting",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanaWriting),
new DaoParameter("@kanaWriting", kanaReading));
if (count == 1)
{
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT * FROM {0} WHERE {1}=@kanaWriting",
SqlHelper.Table_Vocab,
SqlHelper.Field_Vocab_KanaWriting),
new DaoParameter("@kanaWriting", kanaReading));
VocabBuilder builder = new VocabBuilder();
return(builder.BuildEntity(vocabs.First(), null));
}
}
finally
{
//if (connection != null)
//{
// connection.Dispose();
//}
}
return(null);
}
/// <summary>
/// Gets the first kanji that matches the given character.
/// </summary>
/// <param name="character">Character to match.</param>
/// <returns>First kanji matching the given character.
/// Null if nothing was found.</returns>
public KanjiEntity GetFirstMatchingKanji(string character)
{
KanjiEntity result = null;
DaoConnection connection = null;
try
{
// Create and open synchronously the primary Kanji connection.
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
// FILTERS COMPUTED.
// Execute the final request.
IEnumerable <NameValueCollection> results = connection.Query(string.Format(
"SELECT * FROM {0} k WHERE k.{1}=@k ORDER BY (k.{2} IS NULL),(k.{2});",
SqlHelper.Table_Kanji,
SqlHelper.Field_Kanji_Character,
SqlHelper.Field_Kanji_MostUsedRank),
new DaoParameter("@k", character));
if (results.Any())
{
result = new KanjiBuilder()
.BuildEntity(results.First(), null);
IncludeKanjiMeanings(connection, result);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
return(result);
}
public IEnumerable <VocabEntity> GetAllVocab()
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> vocabs = connection.Query(
string.Format("SELECT * FROM {0}", SqlHelper.Table_Vocab));
VocabBuilder builder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in vocabs)
{
yield return(builder.BuildEntity(nvcVocab, null));
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves all vocab categories.
/// </summary>
/// <returns>All vocab categories.</returns>
public IEnumerable <VocabCategory> GetAllCategories()
{
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.KanjiDatabase);
IEnumerable <NameValueCollection> results = connection.Query(
string.Format("SELECT * FROM {0}", SqlHelper.Table_VocabCategory));
VocabCategoryBuilder categoryBuilder = new VocabCategoryBuilder();
foreach (NameValueCollection nvcCategory in results)
{
yield return(categoryBuilder.BuildEntity(nvcCategory, null));
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
}
/// <summary>
/// Retrieves and includes the meanings of the given kanji in the entity.
/// </summary>
internal static void IncludeKanjiMeanings(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable<NameValueCollection> nvcMeanings = connection.Query(
"SELECT * "
+ "FROM " + SqlHelper.Table_KanjiMeaning + " km "
+ "WHERE km." + SqlHelper.Field_KanjiMeaning_KanjiId + "=@kanjiId "
+ "AND km." + SqlHelper.Field_KanjiMeaning_Language + " IS NULL;",
new DaoParameter("@kanjiId", kanji.ID));
KanjiMeaningBuilder meaningBuilder = new KanjiMeaningBuilder();
foreach (NameValueCollection nvcMeaning in nvcMeanings)
{
// For each meaning result : build a meaning and set the associations.
KanjiMeaning meaning = meaningBuilder.BuildEntity(nvcMeaning, null);
meaning.Kanji = kanji;
kanji.Meanings.Add(meaning);
}
}
/// <summary>
/// Retrieves and includes the radicals of the given kanji in the entity.
/// </summary>
internal static void IncludeRadicals(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable<NameValueCollection> nvcRadicals = connection.Query(
"SELECT * "
+ "FROM " + SqlHelper.Table_Radical + " r "
+ "JOIN " + SqlHelper.Table_Kanji_Radical + " kr "
+ "ON (kr." + SqlHelper.Field_Kanji_Radical_RadicalId + "=r." + SqlHelper.Field_Radical_Id + ") "
+ "WHERE kr." + SqlHelper.Field_Kanji_Radical_KanjiId + "=@kanjiId;",
new DaoParameter("@kanjiId", kanji.ID));
RadicalBuilder radicalBuilder = new RadicalBuilder();
foreach (NameValueCollection nvcRadical in nvcRadicals)
{
// For each meaning result : build a radical and set the associations.
RadicalEntity radical = radicalBuilder.BuildEntity(nvcRadical, null);
kanji.Radicals.Add(radical);
}
}
/// <summary>
/// Retrieves and includes the SRS entries matching the given kanji and includes
/// them in the entity.
/// </summary>
internal static void IncludeSrsEntries(DaoConnection connection, KanjiEntity kanji)
{
IEnumerable<NameValueCollection> nvcEntries = connection.Query(
"SELECT * "
+ "FROM " + SqlHelper.Table_SrsEntry + " srs "
+ "WHERE srs." + SqlHelper.Field_SrsEntry_AssociatedKanji + "=@k",
new DaoParameter("@k", kanji.Character));
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in nvcEntries)
{
kanji.SrsEntries.Add(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
/// <summary>
/// Includes the kanji of the given vocab in the entity.
/// </summary>
private void IncludeKanji(DaoConnection connection, DaoConnection srsConnection,
VocabEntity vocab)
{
IEnumerable<NameValueCollection> results = connection.Query(
"SELECT k.* FROM " + SqlHelper.Table_Kanji_Vocab + " kv "
+ "JOIN " + SqlHelper.Table_Kanji + " k ON (k."
+ SqlHelper.Field_Kanji_Id + "=kv." + SqlHelper.Field_Kanji_Vocab_KanjiId
+ ") WHERE kv." + SqlHelper.Field_Kanji_Vocab_VocabId + "=@vid",
new DaoParameter("@vid", vocab.ID));
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanji in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanji, null);
KanjiDao.IncludeKanjiMeanings(connection, kanji);
KanjiDao.IncludeRadicals(connection, kanji);
KanjiDao.IncludeSrsEntries(srsConnection, kanji);
vocab.Kanji.Add(kanji);
}
}
/// <summary>
/// Includes the vocab variants in the entity.
/// </summary>
private void IncludeVariants(DaoConnection connection, VocabEntity vocab)
{
IEnumerable<NameValueCollection> results = connection.Query(
"SELECT * FROM " + SqlHelper.Table_Vocab + " WHERE "
+ SqlHelper.Field_Vocab_GroupId + "=@gid AND "
+ SqlHelper.Field_Vocab_Id + "!=@id",
new DaoParameter("@gid", vocab.GroupId),
new DaoParameter("@id", vocab.ID));
VocabBuilder builder = new VocabBuilder();
foreach (NameValueCollection nvcVocab in results)
{
vocab.Variants.Add(builder.BuildEntity(nvcVocab, null));
}
}
/// <summary>
/// Include the categories of the given vocab in the entity.
/// </summary>
private void IncludeCategories(DaoConnection connection, VocabEntity vocab)
{
IEnumerable<NameValueCollection> categories = connection.Query(
"SELECT vc.* FROM " + SqlHelper.Table_VocabCategory_Vocab + " vcv "
+ "JOIN " + SqlHelper.Table_VocabCategory + " vc ON (vcv."
+ SqlHelper.Field_VocabCategory_Vocab_VocabCategoryId + "=vc."
+ SqlHelper.Field_VocabCategory_Id + ") WHERE vcv."
+ SqlHelper.Field_VocabCategory_Vocab_VocabId + "=@vid",
new DaoParameter("@vid", vocab.ID));
VocabCategoryBuilder categoryBuilder = new VocabCategoryBuilder();
foreach (NameValueCollection nvcCategory in categories)
{
VocabCategory category = categoryBuilder.BuildEntity(nvcCategory, null);
vocab.Categories.Add(category);
}
}
/// <summary>
/// Gets all review information for the current date.
/// </summary>
/// <returns>Review info for the current date.</returns>
public ReviewInfo GetReviewInfo()
{
ReviewInfo info = new ReviewInfo();
DaoConnection connection = null;
try
{
connection = DaoConnection.Open(DaoConnectionEnum.SrsDatabase);
// Query the review count for this date.
info.AvailableReviewsCount = (long)connection.QueryScalar(
"SELECT COUNT(1) FROM " + SqlHelper.Table_SrsEntry + " se WHERE se."
+ SqlHelper.Field_SrsEntry_SuspensionDate + " IS NULL AND se."
+ SqlHelper.Field_SrsEntry_NextAnswerDate + " <= @date",
new DaoParameter("@date", DateTime.UtcNow.Ticks));
// Query the review count for today.
DateTime endOfToday = DateTime.Now.Date.AddDays(1).ToUniversalTime();
info.TodayReviewsCount = (long)connection.QueryScalar(
"SELECT COUNT(1) FROM " + SqlHelper.Table_SrsEntry + " se WHERE se."
+ SqlHelper.Field_SrsEntry_SuspensionDate + " IS NULL AND se."
+ SqlHelper.Field_SrsEntry_NextAnswerDate + " <= @date",
new DaoParameter("@date", endOfToday.Ticks));
// Query the first review date.
object nextAnswerDate = connection.QueryScalar(
"SELECT MIN(" + SqlHelper.Field_SrsEntry_NextAnswerDate + ") FROM "
+ SqlHelper.Table_SrsEntry + " WHERE "
+ SqlHelper.Field_SrsEntry_SuspensionDate + " IS NULL AND "
+ SqlHelper.Field_SrsEntry_NextAnswerDate + " NOT NULL");
if (nextAnswerDate != null && nextAnswerDate is long)
{
info.FirstReviewDate = new DateTime((long)nextAnswerDate,
DateTimeKind.Utc);
}
// Query all counts/total info.
IEnumerable <NameValueCollection> results = connection.Query(
"SELECT COUNT(" + SqlHelper.Field_SrsEntry_AssociatedKanji + ") "
+ SqlKey_KanjiCount + ",COUNT("
+ SqlHelper.Field_SrsEntry_AssociatedVocab + ") " + SqlKey_VocabCount
+ ",SUM(" + SqlHelper.Field_SrsEntry_SuccessCount + ") "
+ SqlKey_SuccessCount + ",SUM(" + SqlHelper.Field_SrsEntry_FailureCount
+ ") " + SqlKey_FailureCount + " FROM " + SqlHelper.Table_SrsEntry);
if (results.Any())
{
NameValueCollection nvcInfo = results.First();
info.KanjiItemsCount = nvcInfo.ReadLong(SqlKey_KanjiCount) ?? 0;
info.VocabItemsCount = nvcInfo.ReadLong(SqlKey_VocabCount) ?? 0;
info.TotalSuccessCount = nvcInfo.ReadLong(SqlKey_SuccessCount) ?? 0;
info.TotalFailureCount = nvcInfo.ReadLong(SqlKey_FailureCount) ?? 0;
}
// Query item count by level.
results = connection.Query("SELECT " + SqlHelper.Field_SrsEntry_CurrentGrade
+ " " + SqlKey_Grade + ", SUM(1) " + SqlKey_ItemCount + " FROM "
+ SqlHelper.Table_SrsEntry + " GROUP BY "
+ SqlHelper.Field_SrsEntry_CurrentGrade);
foreach (NameValueCollection nvcGroup in results)
{
short grade = nvcGroup.ReadShort(SqlKey_Grade) ?? 0;
long itemCount = nvcGroup.ReadLong(SqlKey_ItemCount) ?? 0;
info.ReviewsPerLevel.Add(grade, itemCount);
}
}
finally
{
if (connection != null)
{
connection.Dispose();
}
}
return(info);
}
/// <summary>
/// Includes the meanings of the given vocab in the entity.
/// </summary>
private void IncludeMeanings(DaoConnection connection, VocabEntity vocab)
{
IEnumerable<NameValueCollection> meanings = connection.Query(
"SELECT vm.* FROM " + SqlHelper.Table_Vocab_VocabMeaning + " vvm "
+ "JOIN " + SqlHelper.Table_VocabMeaning + " vm ON (vvm."
+ SqlHelper.Field_Vocab_VocabMeaning_VocabMeaningId + "=vm."
+ SqlHelper.Field_VocabMeaning_Id + ") WHERE vvm."
+ SqlHelper.Field_Vocab_VocabMeaning_VocabId + "=@vid",
new DaoParameter("@vid", vocab.ID));
VocabMeaningBuilder meaningBuilder = new VocabMeaningBuilder();
foreach (NameValueCollection nvcMeaning in meanings)
{
VocabMeaning meaning = meaningBuilder.BuildEntity(nvcMeaning, null);
IncludeMeaningCategories(connection, meaning);
vocab.Meanings.Add(meaning);
}
}
/// <summary>
/// Includes the categories of the given meaning in the entity.
/// </summary>
private void IncludeMeaningCategories(DaoConnection connection, VocabMeaning meaning)
{
IEnumerable<NameValueCollection> categories = connection.Query(
"SELECT vc.* FROM " + SqlHelper.Table_VocabMeaning_VocabCategory + " vmvc "
+ "JOIN " + SqlHelper.Table_VocabCategory + " vc ON (vmvc."
+ SqlHelper.Field_VocabMeaning_VocabCategory_VocabCategoryId + "=vc."
+ SqlHelper.Field_VocabCategory_Id + ") WHERE vmvc."
+ SqlHelper.Field_VocabMeaning_VocabCategory_VocabMeaningId + "=@mid",
new DaoParameter("@mid", meaning.ID));
VocabCategoryBuilder categoryBuilder = new VocabCategoryBuilder();
foreach (NameValueCollection nvcCategory in categories)
{
VocabCategory category = categoryBuilder.BuildEntity(nvcCategory, null);
meaning.Categories.Add(category);
}
}
/// <summary>
/// Retrieves and includes the SRS entries matching the given vocab and includes
/// them in the entity.
/// </summary>
private void IncludeSrsEntries(DaoConnection connection, VocabEntity vocab)
{
string value = string.IsNullOrEmpty(vocab.KanjiWriting) ?
vocab.KanaWriting
: vocab.KanjiWriting;
IEnumerable<NameValueCollection> nvcEntries = connection.Query(
"SELECT * "
+ "FROM " + SqlHelper.Table_SrsEntry + " srs "
+ "WHERE srs." + SqlHelper.Field_SrsEntry_AssociatedVocab + "=@k",
new DaoParameter("@k", value));
SrsEntryBuilder srsEntryBuilder = new SrsEntryBuilder();
foreach (NameValueCollection nvcEntry in nvcEntries)
{
vocab.SrsEntries.Add(srsEntryBuilder.BuildEntity(nvcEntry, null));
}
}
/// <summary>
/// Retrieves and includes kanji entities in the given radical entity.
/// </summary>
private void IncludeKanji(DaoConnection connection, RadicalEntity radical)
{
IEnumerable<NameValueCollection> results = connection.Query(
"SELECT kr." + SqlHelper.Field_Kanji_Radical_KanjiId + " "
+ SqlHelper.Field_Kanji_Id + " FROM " + SqlHelper.Table_Kanji_Radical
+ " kr WHERE kr." + SqlHelper.Field_Kanji_Radical_RadicalId + "=@rid",
new DaoParameter("@rid", radical.ID));
KanjiBuilder kanjiBuilder = new KanjiBuilder();
foreach (NameValueCollection nvcKanjiRadical in results)
{
KanjiEntity kanji = kanjiBuilder.BuildEntity(nvcKanjiRadical, null);
radical.Kanji.Add(kanji);
}
}