njSdZddlZddlmZddlmZddlmZmZm Z ddl m Z ddl m Z ddlmZmZmZdd lmZdd lmZdd lmZdd lmZmZd dlmZmZmZmZm Z d dl!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(d dlm)Z)m*Z*GddejVZ,GddejVZ-GddejVZ.GddejVZ/GddejVZ0dZ1dZ2ddl3m4Z4ddl5Z5ddl6Z6ddl7m8Z8Gdd e4Z9y)!a> DRF ViewSets for the accounting app. Includes: - StaffProfileViewSet (Admin-only CRUD for accountant accounts) - AccountHeadViewSet (Accountant + Admin) - AccountTransactionViewSet (with soft-delete, audit log, filters) - ReceiptViewSet (read-only + download) - Excel export endpoints - Summary endpoints N)Decimal)User)SumCountQ) HttpResponse)timezone)viewsetsstatus permissions)action)Response)DjangoFilterBackend) SearchFilterOrderingFilter) StaffProfile AccountHeadAccountTransactionReceipt TrustAccount)StaffProfileSerializerStaffProfileCreateSerializerAccountHeadSerializerAccountTransactionSerializer"AccountTransactionCreateSerializerReceiptSerializerTrustAccountSerializer)IsAccountantOrAdminIsAdminceZdZdZej j djZe je gZ dZ eddgd dZeddgd d Zy) StaffProfileViewSetz: Admin-only CRUD for staff (accountant) profiles. userc8|jdk(rtStS)Ncreate)r rrselfs :/var/www/kalinger_portal/trust-backend/accounting/views.pyget_serializer_classz(StaffProfileViewSet.get_serializer_class/s ;;( "/ /%%TpostdetailmethodsNc|j}d|_|jtd|jdiS)zDeactivate a staff profile.Fmessagez deactivated. get_object is_activesavernamer'requestpkprofiles r( deactivatezStaffProfileViewSet.deactivate4s<//#! w||nM$BCDDr*c|j}d|_|jtd|jdiS)zRe-activate a staff profile.Tr0z activated.r1r6s r(activatezStaffProfileViewSet.activate<s<//#  w||nK$@ABBr*N)__name__ __module__ __qualname____doc__robjectsselect_relatedallquerysetr IsAuthenticatedr permission_classesr)r r:r<r*r(r"r"(s|##226:>>@H%55w?&  4&*E+E 4&*C+Cr*r"ceZdZdZej j ZeZ e je gZ eeegZgdZgdZddgZdZeddg dd Zeddg dd Zedd g ddZy )TrustAccountViewSetz, Trust Accounts management ViewSet. ) account_typer associated_entity_type) account_nameaccount_number bank_namerM created_datecP|j|jjyN) created_byr4r7r#r' serializers r(perform_createz"TrustAccountViewSet.perform_createU4<<#4#45r*Tr+r,Nc|j}d|_tj|_|j t d|jd|jdS)zDeactivate a trust account.Inactive"" deactivated.)r0deactivated_date)r2r r nowr]r4rrMr'r7r8accounts r(r:zTrustAccountViewSet.deactivateXsU//###+<<>  a(<(<'=^$Lbibzbz{||r*c|j}d|_d|_|jt dd|j diS)zRe-activate a trust account.ActiveNr0r[z " activated.)r2r r]r4rrMr_s r(r<zTrustAccountViewSet.activateasH//#!#'  a(<(<'=\$JKLLr*getc|j}tjj|dj dd}g}t d}|D]J}|j dk(r||jz }n||jz}|j|jt|j|j t|j|j|j|jxs$|jr|jj nd|j"xs$|jr|jj$nd|j&|j(xs |j*|j,r|j,j,ndt|d Mt/|j0|j2|d S) zILedger statement: Chronological list of transactions and running balance.F) trust_account is_deletedtransaction_dateid0DEBITN) rhrgtransaction_typeamount payment_modecommodity_type donor_name donor_name_tapaid_topurposereceipt_numberrunning_balance)rMrK transactions)r2rrBfilterorder_byrrlrmappendrhstrrgrnrorpmemberr5rqname_tarrrspurpose_descriptionrtrrMrK)r'r7r8r`txnsdatabalancets r(ledgerzTrustAccountViewSet.ledgerjsq//#!))00!e1 (%t , #, A!!W,188#188# KKdd$'(:(:$;$%$6$6ahh- !"#"2"2llQqxx}}b!"!ZQXX5E5EWY9999=(=(=EFEUEU!"2"2"A"A[_#&w<    (#00#00    r*r=)r>r?r@rArrBrDrErserializer_classr rFrrGrrrfilter_backendsfilterset_fields search_fieldsordering_fieldsrWr r:r<rrHr*r(rJrJIs##'')H-%557JK*L.IOKCM%~6O6 4&*}+} 4&*M+M 4%)! *! r*rJceZdZdZeZejegZ e e e gZ ddgZddgZddgZdgZdZd Zfd Zfd Zed d gddZed dgddZed dgddZeddgddZxZS)AccountHeadViewSetuj Account Heads — both Accountant and Admin can list/create. Only Admin can edit/deactivate. r3 head_typer5 description created_atz -created_atc>tjjSr=)rrBrDr&s r( get_querysetzAccountHeadViewSet.get_querysets""&&((r*cP|j|jjyrRrTrUs r(rWz!AccountHeadViewSet.perform_createrXr*c|jjstdditjSt ||g|i|SNerrorz"Only admin can edit Account Heads.r )r#is_staffrr HTTP_403_FORBIDDENsuperupdater'r7argskwargs __class__s r(rzAccountHeadViewSet.updatesJ||$$>?00 w~g7777r*c|jjstdditjSt ||g|i|Sr)r#rrr rrpartial_updaters r(rz!AccountHeadViewSet.partial_updatesK||$$>?00 w%g????r*Tr+r,c|jjstdditjS|j }d|_|jtdd|jdiS)z(Deactivate an account head (Admin only).rz(Only admin can deactivate Account Heads.rFr0r[r\) r#rrr rr2r3r4r5r'r7r8heads r(r:zAccountHeadViewSet.deactivatesk||$$DE00   a {.$ABCCr*rcc 2|j}tjj|d}|jdj t ddxs t d}|jd j t ddxs t d}|jd vr||z }n||z }t|jt|t|t|t|t||jd S) z4Per-head summary: total debits, credits, net, count.F account_headrfrjrlrmtotalrriCREDITAssetExpense)r total_income total_expense total_debits total_credits net_balancetransaction_count) r2rrBrw aggregaterrrKrr5rzcount)r'r7r8rr~rrrs r(summaryzAccountHeadViewSet.summarys !))00%1 {{$# )#h-) (2B5r?r@rArrr rFrrGrrrrrrrorderingrrWrrr r:rrr __classcell__rs@r(rrs-%557JK*L.IO#[1]+M|,OH)68@ 4&* D+ D 4%) * 8 4%)  *   55'LA  B  r*rc eZdZdZdZej egZe e e gZ gdZ gdZgdZdgZdZdZd Zd Zd Zd Zed dgdZed dgddZed dgddZed dgddZy)AccountTransactionViewSetz Accountant: create / edit own / soft-delete own. Admin: view all / edit all / soft-delete all. Member: read-only access to own donations via my-donations action. N)rrlrn)rprr donor_contactrs)rgrmr-transaction_datec|jdk(rtjgStjtgS)z my-donations is the only action accessible to regular Members. All other actions (list, retrieve, create, update, destroy) still require IsAccountantOrAdmin. my_donations)r r rFrr&s r(get_permissionsz)AccountTransactionViewSet.get_permissions s: ;;. (//12 2++-/B/DEEr*c6|jdvrtStS)N)r%)r rrr&s r(r)z.AccountTransactionViewSet.get_serializer_classs ;;+ %5 5++r*c6tjjddddd}|jjj d}|dk(r |jj js|jd }|jjj d }|jjj d }|r|j| }|r|j| }|jjj d}|r|j|}|jjj d}|rO|jdDcgc]#}|js|j%}}|j|}|jjj d} | rO| jdDcgc]#}|js|j%}}|j|}|jjj d} | dk(r|jd}|jjj d} | dk(r|jd}|Scc}wcc}w)Nr entered_byr{rtreinclude_deletedtrueFrffromtotransaction_date__gtetransaction_date__lte)trust_account_id head_types,)account_head__head_type__in account_types)account_head__account_type__inis_bankBank)trust_account__account_typeis_cashCash) rrBrCr7 query_paramsrcr#rrwsplitstrip) r'qsr date_fromdate_to trust_acctrrtypesrrrs r(rz&AccountTransactionViewSet.get_querysets%  ' ' 6 6 L(4Do ,,33778IJ6)dll.?.?.H.He,BLL--11&9 ,,++//5 ;B 9B\\..22?C J7B\\..22<@ (2(8(8(=K1QWWYKEKu=B 1155oF (5(;(;C(@N1AGGIQWWYNEN%@B,,++// : f v>B,,++// : f v>B 'L Os%J;JJ1JcP|j|jjy)N)rrTrUs r(rWz(AccountTransactionViewSet.perform_createJrXr*c |j}|jj}|js|j|k7rddlm}|dg}|jjD]\}}t||d}t|dr |j}t|dr |j}t|t|k7s[|j|t|t|tjj!|j#d|r9t%|j&xsg} | j)|| |jd<|j+y)z(Log changes before saving (audit trail).r)PermissionDeniedz#You can only edit your own entries.Nr8fieldoldnewatby change_log)r2r7r#rrrest_framework.exceptionsrvalidated_dataitemsgetattrhasattrr8rzryr r^ isoformat get_usernamelistrextendr4) r'rVinstancer#rchangesr new_value old_valuelogs r(perform_updatez(AccountTransactionViewSet.perform_updateMs0??$||  }}!4!4!< B"#HI I * 9 9 ? ? 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Frrr Commodities)rnrmrrrirjGold)rnrorlSilverOther)rrr)fiatgoldsilverother) rrBrwexcluderrrrrz) r'r7r fiat_credits fiat_debits gold_credits gold_debitssilver_credits silver_debits other_credits other_debitss r(commodity_summaryz+AccountTransactionViewSet.commodity_summarys  ' ' . .% . @yy(y;CCQ^C_iipst|p}i~@GHXLSTWLX iii9AA}A]ggnqrzn{g|~EFVJQRUJV yymFemynxx@CDL@MxNOVWg[bcf[g ii]6dkilvv~ABJ~KvLMTUeY`adYe  hiqr||DGHPDQ|RSZ[k_fgj_k }Xho pzzBEFNBOzPQXYi]deh]i  }Wgo pzzBEFNBOzPQXYi]deh]i yymGfmynxx@CDL@MxNOVWg[bcf[g !$\!2 #K 0"<+#=> "%\!2 #K 0"<+#=> "%^!4 #M 2">M#AB "%]!3 #L 1"=<#?@!   r*zmember-balancescddlm}|jjddj d}g}|D]}t jj|ddj td  d xs td }t jj|d dj td  d xs td }|j|j|j|j|j|jt|t|t||z dt!|S)z Roster of all members showing their Name and their exact running financial balance. Balance = Cumulative DEBIT (due/billed) - Cumulative CREDIT (paid). r)MemberT)r3is_family_headr5rjF)r{rlrfrmrrrir)rh member_idr5r|phonerrru)members.modelsr rBrwrxrrrrryrhr"r5r|r#rzr)r'r7r membersrmdebitscreditss r(member_balancesz)AccountTransactionViewSet.member_balancess1 *..''$t'LUUV\] A'//667u7ic(mi,W6F9@ )007788ic(mi,W6F9@  KKdd[[99 #F !$W#&v'7#8   &~r*z my-donationscZ|j} |j}t jjd|djddjd }t|d }|jtd  dxs td}|jdj!td t#djd}t|j$t'|t)|dS#t$r tdditj cYSwxYw)zq Member-facing endpoint: returns all INCOME transactions linked to the logged-in member. rzNo member profile found.rINCOMEF)rlr{rfrrtrT)manyrmr rriaccount_head__namerh)rrz-total) donationslifetime_totalper_head_breakdown)r#member_profile Exceptionrr HTTP_404_NOT_FOUNDrrBrwrCrxrrrrvaluesannotaterrrzr)r'r7r#r{rrVr/per_heads r(rz&AccountTransactionViewSet.my_donationss || ((F ' ' . .%/  .)9 :88DW;X 2"4@ H 6s;Kws| II* + XCMtX = Xh   #!.1"&x.   + 4500  s D&D*)D*)r>r?r@rApagination_classr rFrrGrrrrrrrrrr)rrWrrr rrr)rrHr*r(rrs %557JK*L.IOKIMBO#$HF, ,\6!F 6 55'* + " 55'4GH, I, \ 55'4EFG< 55'NC! D! r*rcjeZdZdZeZejgZdZ fdZ e ddgddZ xZ S) ReceiptViewSetuo ModelViewSet for receipts + PDF download. Queryset scoping rules: - Admin (is_staff=True) → all receipts. - Accountant (StaffProfile) → all receipts. - Member → only receipts whose member matches the logged-in user's member profile. - Anyone else → empty queryset. c|jj}tjj ddj dd}|j r|S |j}|jdk(r|jr|S |j}|j|S#t$rY*wxYw#t$rY|jSwxYw)Nr{rSrvtransactions__account_head ACCOUNTANT)r{)r7r#rrBrCprefetch_relatedr staff_profileroler3r2r1rwnone)r'r#base_qsr9r{s r(rzReceiptViewSet.get_queryset#s||  //00 l   8   ==N ((G|||+0A0A  ((F>>>0 0      ||~  s$(BB- B*)B*- CCct|||jdvr\|j}d} |j}|j dk(xr |j }|js|s|j|dyyyy#t$rY0wxYw)N)r%rrrFr<z0Only admins and accountants can modify receipts.)r0) rcheck_permissionsr r#r>r?r3r2rpermission_denied)r'r7r# is_accountantr9rs r(rCz ReceiptViewSet.check_permissionsAs !'* ;;K K<r?r@rArrr rFrGrrCr rXrrs@r(r9r9sG )%556< l 4%)-*-r*r9cddl}ddlm}m}m}m}m}|jjd} |jjd} |j} | j| j| j|ddd } |d d d } |d d d}||d|d|d|d}td}td}|D]~}tjj|dj!ddd}| r|j| }| r|j| }|jdj#d}|jdj#d}|j%t'dd xs td}|j%t'dd xs td}||z }||z }|j(dd!}| j+|d"#}|dd$d% |j-d&d&d'(_|j1d)|d *|j-d&d&+_gd,}t5|d&D]5\}}|j-d-||(}| |_| |_||_||_7t5|d.D]\}}t;|j<} d/}! |j>j@}!|jDjGd0|jH|jJ|jL|jNr|jNjPnd/|jNr|jNj(nd/tS|jT|jV|jX|jZ|!| g }"t5|"d&D] \}}#|j-|||#(}||_" | j+|d1#}$|dd$d% |$j-d&d&d'(_|$j1d2|d *|$j-d&d&+_gd3}%t5|%d&D]5\}}|$j-d-||(}| |_| |_||_||_7t5|d.D]\}}t;|j<} d/}! |j>j@}!|jDjGd0|j\|j^|j`|jbtS|jT|jV|jd|!| g }"t5|"d&D] \}}#|$j-|||#(}||_"| j+d4d5}&|d6d6d }'|dd$d% |&j-d&d&d'(_|&j1d7|d *|&j-d&d&+_|dd$8|&j-d-d&d9(_|&j1d:d/}(| s| r5d;| xsd<d=| xsd>}(|&j-d.d&|((|&j1d?d@})t5gdAd&D]5\}}|&j-|)||(}| |_|'|_||_||_7|)d&z}*td}+|D]}tjj|d}| r|j| }| r|j| }|jdj%t'dd xs td},|jdj%t'dd xs td}-|jfdBvr|-|,z }.n|,|-z }.|+|.z }+||&j-|*d&|j((_||&j-|*d-|jf(_||&j-|*d.tS|,(_||&j-|*dCtS|-(_||&j-|*d@tS|.(_|*d&z }*|dd8}/|/|&j-|*d&dD(_||&j-|*d-d/(_|/|&j-|*d.tS|(_|/|&j-|*dCtS|(_|/|&j-|*d@tS|+(_tid&dED]}||&j-|*|+_| jjD]}0|0jlD]~}d}1d}2|D]O}to|dFr |jp}2|jrs(tu|1twty|jr}1Q|2s^t{|1dCzdG|0j||2_?ddHl@mA}3|3}4| j|4|4jdt|4jdIJ}5dK|dL|5dM<|5S#tB$rYwxYw#tB$rYNwxYw)Nzo Build an .xlsx HttpResponse with Income / Expense / Summary sheets for the given account head(s). rN)Font PatternFill AlignmentBorderSiderrT FFFFFF)boldsizecolor4338CAsolid) start_color end_color fill_typecenter) horizontalvertical wrap_textthin)style)leftrighttopbottomriFrr{rrtrrrrrgrjrmr rz Credits)titleD97706ru5ஸ்ரீ ராமஜெயம் | Sri Ramajeyam)rowcolumnvaluezA1:L1)rj)rwrx) Datez Donor NamezDonor Name (Tamil)Contactz Member IDz Member NameAmount Payment ModezPurpose/RemarkszPurpose/Remarks (Tamil) Receipt No Entered Byrkz%Y-%m-%dz DebitszA1:K1) rzzPaid TozPaid To (Tamil)zPurpose/DescriptionzPurpose/Description (Tamil)r|r}zBill Referencer~rSummary)rtindex059669zA1:E1)rarbzAccount Head Report SummaryzA2:E2zFrom: Startu — To: PresentzA3:E3)z Account Headz Account Typez Total Creditsz Total Debitsz Net BalancerTOTAL column_letter()BytesIOzAapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheetrJrOr[rM)Fopenpyxlopenpyxl.stylesrZr[r\r]r^rrcWorkbookactiveremoverrrBrwrCrxrrr5 create_sheetcellfont merge_cells alignment enumeratefillborder_get_display_namerrTrtr2rgstrftimerprqrr{r"floatrmrnrs purpose_tarr paid_to_tar}purpose_description_tabill_referencerKrange worksheetscolumnsrrrymaxlenrzmincolumn_dimensionswidthiorr4seekrgetvalue)6r7 account_headsrrrZr[r\r]r^rrwb header_font header_fill header_align thin_borderoverall_debitsoverall_creditsrr income_txns expense_txns head_income head_expense safe_name ws_incomeincome_headerscolhdrrrow_idxtxn entered_name receipt_novalsval ws_expenseexpense_headers ws_summarysummary_header_filldate_range_str start_rowrwoverall_net_balancehiher total_fontwsmax_len col_letterrbufrWs6 r(rrs JJ$$((0I""&&t,G    B yy "))Dr:K(hRYZK8tTL  t&'9 v t&'9K S\NclOg*  ' ' . .%/ .<1A B  ;B 9Biii:CCDVW yy'y:CCDVW !++c(m+sCSws| ;&,&IIcrN OOYKx*@OA nrx|DFNVoW 1Q.efkg&4=4R 1Q'1 ".!4 &HC>>a3>?D#DI#DI)DN%DK  &&k15 *LGS,S^^(5S Aa(2 "/15 &HC??qC?@D#DI#DI)DN%DK  &&lA6 *LGS,S^^w'IXZ["S9SD ' %! " a-C!#,  ' ' . .%/  ;B 9B YYY 1 ; ;c(m ; LS Q aU\]`Ua YYY 0 : :S] : KC P `T[\_T`    4 4r'Kr'K{*EP C;BMX C1B1BCJEP Cr;BEP Cr;BNY C{1CDK q164b)J=GJOOAWO5::EJOOARO07OO !7 OO ~!6 OO ':!; Q{B6A C,3Bmm N:: NCGJ A41!%!3!3J::!'3s4::+?@G  A 9r5r2r1r)r#s r(rrosc !!&&&     ""'''       s $$> AA)APIView)settingsc"eZdZdZdZdZdZy)SystemSettingsViewzE API endpoint to get and set system-level receipt templates. c|jjdk(rtjgStjt gS)NGET)r7methodr rFrr&s r(rz"SystemSettingsView.get_permissionss> <<  % '//12 2++-/B/DEEr*c @ttj}tjj |dd}d}d}d}tjj |rc t|dd5}tj|}|jdd}|jd d}|jd d}dddtjj |d} tjtjj | d } | Dcgc]!}tjj|#} }d| vr| jdd} tjj | |} tjj | r( t| dd5}|j} dddt!|||t#t%| | d S#1swY*xYw#t$rY9wxYwcc}w#1swYNxYw#t$rY\wxYw) N accountingsystem_settings.jsonztax_receipt_template.htmlrkrutf-8encodingactive_receipt_templatedefault_tax_head_iddefault_seethana_head_idz*.html)rrr templatestemplate_content)rzrBASE_DIRospathjoinexistsopenjsonloadrcr2globbasenameryrSrrset)r'r7base_dir settings_pathactive_templaterrfrdir_path html_filesrractive_template_paths r(rczSystemSettingsView.getsx(() X|=ST 5 #% 77>>- ( -w?X199Q>. / .gF0!'(vvx$0 '6#6(@c)n- 0    3XX    >00  s[!G0/A G#;G0&HH'H8H#G-(G00 G=<G=H H HHc<|jjd}tjj t t jd}|dk(r|jjd}|jjd}|r|stdditjStjj|}|jd s|d z }tjj ||} t|d d 5}|j|dddtd d|diStjj |d} i} tjj#| r- t| dd 5}t%j&|} ddd|jjd} | r~tjj| } tjj#tjj || stdditj(S| | d<d|jvr(t |jjdd| d<d|jvr(t |jjdd| d< t| d d 5}t%j*| |ddddtd diS#1swYxYw#t$r0}tdt |itj cYd}~Sd}~wwxYw#1swYxYw#t$rYwxYw#1swY|xYw#t$r0}tdt |itj cYd}~Sd}~wwxYw)Nr rsave_template_content template_namecontentrz Missing template_name or contentrz.htmlwrrr0z Template "z" saved successfully.rrrzTemplate file does not existrrkrr)indentz%System settings updated successfully.)rrcrrrrzrrrr HTTP_400_BAD_REQUESTrendswithrwriter2HTTP_500_INTERNAL_SERVER_ERRORrrrr3dump) r'r7r rrr target_pathrer config_datars r(r+zSystemSettingsView.posts!!(+77<<H$5$5 6 E , ,#LL,,_=Mll&&y1G *L MV\VqVqrrGG,,];M ))'2( '',,x?K a+sW=%GGG$%jG\,] ^__ GGLL3IJMKww~~m,mS7C3q&*iil 3 &ll../HIO"$''"2"2?"Cww~~bggll8_&MN#W.L$MV\VoVopp9H 56$ 4589I9IJ_ac9d5e 12)W\\9:=gll>N>NOikm>n:o 67 a-w?81IIk1Q78,S TUUA%% a#a& 1&:_:_`` a33  88 a#a& 1&:_:_`` asK=K0%K=ML9$M4M"MM"0K:5K== L6%L1+L61L69M>M MMMM"" N+%NNNN)r>r?r@rArrcr+rHr*r(rrsF ( T3ar*r):rArdecimalrdjango.contrib.auth.modelsrdjango.db.modelsrrr django.httpr django.utilsr rest_frameworkr r r rest_framework.decoratorsr rest_framework.responserdjango_filters.rest_frameworkrrest_framework.filtersrrmodelsrrrrr serializersrrrrrrrrr ModelViewSetr"rJrrr9rrrest_framework.viewsrrr django.confrrrHr*r(rs  +**$!88,,=?XX 6C(//CBC (//C Te ..e XN  5 5N jhX**h^iX ) fafar*