package Ġcom . m wo jn ar . student calendar . database Ċ Ċ import Ġandroidx . room .* Ċ import Ġjava . util .* Ċ Ċ @ Dao Ċ interface ĠBase Dao < T > Ġ{ ĊĠĠĠ Ġ@ Insert ( on Conflict Ġ= ĠOn Conflict Strategy . REPLACE ) ĊĠĠĠ Ġfun Ġinsert ( obj : ĠT ): ĠLong ĊĊĠĠĠ Ġ@ Update ĊĠĠĠ Ġfun Ġupdate ( obj : ĠT ) ĊĊĠĠĠ Ġ@ Delete ĊĠĠĠ Ġfun Ġdelete ( obj : ĠT ) ĊĊĠĠĠ Ġfun Ġget ( id : ĠLong ): ĠT ? ĊĠĠĠ Ġfun ĠgetAll (): ĠList < T >? Ċ } Ċ Ċ @ Dao Ċ interface ĠTasks Table Dao Ġ: ĠBase Dao < Task > Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtasks ĠWHERE ĠtaskId Ġ= Ġ: id ") ĊĠĠĠ Ġoverride Ġfun Ġget ( id : ĠLong ): ĠTask ? ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtasks ") ĊĠĠĠ Ġoverride Ġfun ĠgetAll (): ĠList < Task >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtasks ĠORDER ĠBY Ġpriority ĠDESC , Ġwhen DateTime ") ĊĠĠĠ Ġfun ĠgetAll With Course (): ĠList < Task And Course >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtasks ĠWHERE Ġwhen DateTime Ġ>= Ġ: startDate ĠAND Ġwhen DateTime Ġ<= Ġ: endDate ") ĊĠĠĠ Ġfun Ġget Your Day Items ( startDate : ĠDate , ĠendDate : ĠDate ): ĠList < Task And Course > Ċ } Ċ Ċ @ Dao Ċ interface ĠTests Table Dao Ġ: ĠBase Dao < Test > Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtests ĠWHERE Ġtest Id Ġ= Ġ: id ") ĊĠĠĠ Ġoverride Ġfun Ġget ( id : ĠLong ): ĠTest ? ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtests ") ĊĠĠĠ Ġoverride Ġfun ĠgetAll (): ĠList < Test >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtests ĠORDER ĠBY Ġwhen DateTime ") ĊĠĠĠ Ġfun ĠgetAll With Course (): ĠList < Test And Course >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġtests ĠWHERE Ġwhen DateTime Ġ>= Ġ: startDate ĠAND Ġwhen DateTime Ġ<= Ġ: endDate ") ĊĠĠĠ Ġfun Ġget Your Day Items ( startDate : ĠDate , ĠendDate : ĠDate ): ĠList < Test And Course > Ċ } Ċ Ċ @ Dao Ċ interface ĠS chedules Table Dao Ġ: ĠBase Dao < Schedule > Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġs chedules ĠWHERE Ġschedule Id Ġ= Ġ: id ") ĊĠĠĠ Ġoverride Ġfun Ġget ( id : ĠLong ): ĠSchedule ? ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġs chedules ") ĊĠĠĠ Ġoverride Ġfun ĠgetAll (): ĠList < Schedule >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġs chedules ĠORDER ĠBY Ġcourse Id ") ĊĠĠĠ Ġfun ĠgetAll With Course And Person (): ĠList < Schedule And Course And Person >? ĊĊĠĠĠ Ġ@ Transaction ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġs chedules ĠWHERE ĠstartDate Ġ<= Ġ: date ĠAND ĠendDate Ġ>= Ġ: date ĠAND Ġweek day Ġ== Ġ: weekday ") ĊĠĠĠ Ġfun Ġget Your Day Items ( date : ĠDate , Ġweek day : ĠInt ): ĠList < Schedule And Course And Person > Ċ } Ċ Ċ @ Dao Ċ interface ĠCour ses Table Dao Ġ: ĠBase Dao < Course > Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġcourses ĠWHERE Ġcourse Id Ġ= Ġ: id ") ĊĠĠĠ Ġoverride Ġfun Ġget ( id : ĠLong ): ĠCourse ? ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġcourses ĠORDER ĠBY Ġcourse Id ") ĊĠĠĠ Ġoverride Ġfun ĠgetAll (): ĠList < Course >? Ċ } Ċ Ċ @ Dao Ċ interface ĠPeople Table Dao Ġ: ĠBase Dao < Person > Ġ{ ĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġpeople ĠWHERE Ġperson Id Ġ= Ġ: id ") ĊĠĠĠ Ġoverride Ġfun Ġget ( id : ĠLong ): ĠPerson ? ĊĊĠĠĠ Ġ@ Query (" SELECT Ġ* ĠFROM Ġpeople ĠORDER ĠBY ĠlastName , ĠfirstName ") ĊĠĠĠ Ġoverride Ġfun ĠgetAll (): ĠList < Person >? Ċ }